diff --git a/classes/chillerlan-QRCode-Output-QREps.html b/classes/chillerlan-QRCode-Output-QREps.html
index 48da05122..8b030a41e 100644
--- a/classes/chillerlan-QRCode-Output-QREps.html
+++ b/classes/chillerlan-QRCode-Output-QREps.html
@@ -404,6 +404,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QREps.html#method_module">module()</a>
     <span>
@@ -514,7 +521,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -550,7 +557,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -601,7 +608,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -652,7 +659,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -703,7 +710,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -754,7 +761,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -805,7 +812,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -856,7 +863,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -907,7 +914,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -944,7 +951,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -981,7 +988,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1033,7 +1040,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1086,7 +1093,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1123,7 +1130,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1179,7 +1186,7 @@ <h4 class="phpdocumentor-element__name" id="method___construct">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">81</span>
+    <span class="phpdocumentor-element-found-in__line">84</span>
 
     </aside>
 
@@ -1333,7 +1340,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1389,7 +1396,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1542,7 +1549,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1604,7 +1611,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1656,7 +1663,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -1682,6 +1689,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -1809,7 +1880,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -1892,7 +1963,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -1929,7 +2000,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -1964,7 +2035,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -1977,7 +2048,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2156,6 +2230,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QREps.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QREps.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_saveToFile">saveToFile()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRFpdf.html b/classes/chillerlan-QRCode-Output-QRFpdf.html
index 46dd03083..eeca32a23 100644
--- a/classes/chillerlan-QRCode-Output-QRFpdf.html
+++ b/classes/chillerlan-QRCode-Output-QRFpdf.html
@@ -396,6 +396,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRFpdf.html#method_initFPDF">initFPDF()</a>
     <span>
@@ -513,7 +520,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -549,7 +556,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -600,7 +607,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -651,7 +658,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -702,7 +709,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -753,7 +760,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -804,7 +811,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -891,7 +898,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -942,7 +949,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -979,7 +986,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1016,7 +1023,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1068,7 +1075,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1121,7 +1128,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1194,7 +1201,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1426,7 +1433,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1482,7 +1489,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1569,7 +1576,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1631,7 +1638,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1683,7 +1690,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -1709,6 +1716,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -1886,7 +1957,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -1969,7 +2040,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2006,7 +2077,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2041,7 +2112,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2054,7 +2125,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2234,6 +2308,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRFpdf.html#method_initFPDF">initFPDF()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRFpdf.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-RGBArrayModuleValueTrait.html#method_prepareModuleValue">prepareModuleValue()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRGdImage.html b/classes/chillerlan-QRCode-Output-QRGdImage.html
index 0618fddfe..5ab2a2f13 100644
--- a/classes/chillerlan-QRCode-Output-QRGdImage.html
+++ b/classes/chillerlan-QRCode-Output-QRGdImage.html
@@ -422,6 +422,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a>
     <span>
@@ -567,7 +574,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -603,7 +610,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -654,7 +661,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -705,7 +712,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -756,7 +763,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -807,7 +814,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -858,7 +865,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -961,7 +968,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -1012,7 +1019,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1049,7 +1056,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1086,7 +1093,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1138,7 +1145,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1191,7 +1198,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1228,7 +1235,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1589,7 +1596,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1645,7 +1652,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1877,7 +1884,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1939,7 +1946,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1991,7 +1998,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -2017,6 +2024,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -2212,7 +2283,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2330,7 +2401,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2367,7 +2438,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2437,7 +2508,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2450,7 +2521,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2628,6 +2702,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_renderImage">renderImage()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRGdImageAVIF.html b/classes/chillerlan-QRCode-Output-QRGdImageAVIF.html
index 756de36f7..7e17614ad 100644
--- a/classes/chillerlan-QRCode-Output-QRGdImageAVIF.html
+++ b/classes/chillerlan-QRCode-Output-QRGdImageAVIF.html
@@ -422,6 +422,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a>
     <span>
@@ -605,7 +612,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -641,7 +648,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -692,7 +699,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -743,7 +750,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -794,7 +801,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -845,7 +852,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -896,7 +903,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -999,7 +1006,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -1050,7 +1057,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1087,7 +1094,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1124,7 +1131,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1176,7 +1183,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1229,7 +1236,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1266,7 +1273,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1627,7 +1634,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1683,7 +1690,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1915,7 +1922,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1977,7 +1984,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -2029,7 +2036,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -2055,6 +2062,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -2235,7 +2306,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2353,7 +2424,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2390,7 +2461,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2460,7 +2531,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2473,7 +2544,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2658,6 +2732,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImageAVIF.html#method_renderImage">renderImage()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRGdImageBMP.html b/classes/chillerlan-QRCode-Output-QRGdImageBMP.html
index 8029e8459..3c7e3945e 100644
--- a/classes/chillerlan-QRCode-Output-QRGdImageBMP.html
+++ b/classes/chillerlan-QRCode-Output-QRGdImageBMP.html
@@ -422,6 +422,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a>
     <span>
@@ -605,7 +612,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -641,7 +648,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -692,7 +699,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -743,7 +750,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -794,7 +801,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -845,7 +852,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -896,7 +903,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -999,7 +1006,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -1050,7 +1057,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1087,7 +1094,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1124,7 +1131,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1176,7 +1183,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1229,7 +1236,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1266,7 +1273,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1627,7 +1634,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1683,7 +1690,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1915,7 +1922,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1977,7 +1984,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -2029,7 +2036,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -2055,6 +2062,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -2235,7 +2306,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2353,7 +2424,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2390,7 +2461,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2460,7 +2531,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2473,7 +2544,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2658,6 +2732,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImageBMP.html#method_renderImage">renderImage()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRGdImageGIF.html b/classes/chillerlan-QRCode-Output-QRGdImageGIF.html
index d7fe20a77..7520aa54d 100644
--- a/classes/chillerlan-QRCode-Output-QRGdImageGIF.html
+++ b/classes/chillerlan-QRCode-Output-QRGdImageGIF.html
@@ -422,6 +422,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a>
     <span>
@@ -605,7 +612,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -641,7 +648,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -692,7 +699,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -743,7 +750,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -794,7 +801,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -845,7 +852,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -896,7 +903,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -999,7 +1006,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -1050,7 +1057,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1087,7 +1094,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1124,7 +1131,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1176,7 +1183,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1229,7 +1236,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1266,7 +1273,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1627,7 +1634,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1683,7 +1690,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1915,7 +1922,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1977,7 +1984,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -2029,7 +2036,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -2055,6 +2062,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -2235,7 +2306,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2353,7 +2424,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2390,7 +2461,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2460,7 +2531,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2473,7 +2544,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2658,6 +2732,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImageGIF.html#method_renderImage">renderImage()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRGdImageJPEG.html b/classes/chillerlan-QRCode-Output-QRGdImageJPEG.html
index 1b8817696..082ea06fa 100644
--- a/classes/chillerlan-QRCode-Output-QRGdImageJPEG.html
+++ b/classes/chillerlan-QRCode-Output-QRGdImageJPEG.html
@@ -422,6 +422,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a>
     <span>
@@ -605,7 +612,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -641,7 +648,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -692,7 +699,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -743,7 +750,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -794,7 +801,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -845,7 +852,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -896,7 +903,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -999,7 +1006,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -1050,7 +1057,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1087,7 +1094,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1124,7 +1131,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1176,7 +1183,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1229,7 +1236,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1266,7 +1273,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1627,7 +1634,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1683,7 +1690,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1915,7 +1922,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1977,7 +1984,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -2029,7 +2036,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -2055,6 +2062,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -2235,7 +2306,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2353,7 +2424,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2390,7 +2461,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2460,7 +2531,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2473,7 +2544,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2658,6 +2732,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImageJPEG.html#method_renderImage">renderImage()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRGdImagePNG.html b/classes/chillerlan-QRCode-Output-QRGdImagePNG.html
index dd9c79375..ecc69ab78 100644
--- a/classes/chillerlan-QRCode-Output-QRGdImagePNG.html
+++ b/classes/chillerlan-QRCode-Output-QRGdImagePNG.html
@@ -422,6 +422,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a>
     <span>
@@ -605,7 +612,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -641,7 +648,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -692,7 +699,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -743,7 +750,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -794,7 +801,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -845,7 +852,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -896,7 +903,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -999,7 +1006,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -1050,7 +1057,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1087,7 +1094,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1124,7 +1131,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1176,7 +1183,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1229,7 +1236,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1266,7 +1273,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1627,7 +1634,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1683,7 +1690,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1915,7 +1922,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1977,7 +1984,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -2029,7 +2036,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -2055,6 +2062,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -2235,7 +2306,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2353,7 +2424,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2390,7 +2461,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2460,7 +2531,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2473,7 +2544,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2658,6 +2732,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImagePNG.html#method_renderImage">renderImage()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRGdImageWEBP.html b/classes/chillerlan-QRCode-Output-QRGdImageWEBP.html
index 662c54f54..b494ba455 100644
--- a/classes/chillerlan-QRCode-Output-QRGdImageWEBP.html
+++ b/classes/chillerlan-QRCode-Output-QRGdImageWEBP.html
@@ -422,6 +422,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a>
     <span>
@@ -605,7 +612,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -641,7 +648,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -692,7 +699,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -743,7 +750,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -794,7 +801,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -845,7 +852,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -896,7 +903,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -999,7 +1006,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -1050,7 +1057,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1087,7 +1094,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1124,7 +1131,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1176,7 +1183,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1229,7 +1236,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1266,7 +1273,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1627,7 +1634,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1683,7 +1690,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1915,7 +1922,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1977,7 +1984,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -2029,7 +2036,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -2055,6 +2062,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -2235,7 +2306,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2353,7 +2424,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2390,7 +2461,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2460,7 +2531,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2473,7 +2544,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2658,6 +2732,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImage.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRGdImageWEBP.html#method_renderImage">renderImage()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRImagick.html b/classes/chillerlan-QRCode-Output-QRImagick.html
index cc3e1d1c1..0d175fa17 100644
--- a/classes/chillerlan-QRCode-Output-QRImagick.html
+++ b/classes/chillerlan-QRCode-Output-QRImagick.html
@@ -149,7 +149,7 @@ <h2 class="phpdocumentor-content__title">
         <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">29</span>
+    <span class="phpdocumentor-element-found-in__line">28</span>
 
     </aside>
 
@@ -404,10 +404,11 @@ <h4 id="toc-methods">
 <dd>Returns a 2 element array with the current output width and height</dd>
 
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
-    <a class="" href="classes/chillerlan-QRCode-Output-QRImagick.html#method_guessMimeType">guessMimeType()</a>
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
     <span>
                                 &nbsp;: string    </span>
 </dt>
+<dd>Guesses the mime type from the given $imageData</dd>
 
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRImagick.html#method_module">module()</a>
@@ -495,7 +496,7 @@ <h4 class="phpdocumentor-element__name" id="property_backgroundColor">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">44</span>
+    <span class="phpdocumentor-element-found-in__line">43</span>
 
     </aside>
 
@@ -532,7 +533,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -568,7 +569,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -619,7 +620,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -670,7 +671,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -721,7 +722,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -772,7 +773,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -823,7 +824,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -874,7 +875,7 @@ <h4 class="phpdocumentor-element__name" id="property_imagick">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">34</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -911,7 +912,7 @@ <h4 class="phpdocumentor-element__name" id="property_imagickDraw">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">39</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -948,7 +949,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -999,7 +1000,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1036,7 +1037,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1073,7 +1074,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1125,7 +1126,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1178,7 +1179,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1215,7 +1216,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1271,7 +1272,7 @@ <h4 class="phpdocumentor-element__name" id="method___construct">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">51</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1345,7 +1346,7 @@ <h4 class="phpdocumentor-element__name" id="method_dump">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">106</span>
+    <span class="phpdocumentor-element-found-in__line">105</span>
 
     </aside>
 
@@ -1398,7 +1399,7 @@ <h4 class="phpdocumentor-element__name" id="method_moduleValueIsValid">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">68</span>
+    <span class="phpdocumentor-element-found-in__line">67</span>
 
     </aside>
 
@@ -1469,7 +1470,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1525,7 +1526,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1563,7 +1564,7 @@ <h4 class="phpdocumentor-element__name" id="method_createImage">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">165</span>
+    <span class="phpdocumentor-element-found-in__line">148</span>
 
     </aside>
 
@@ -1602,7 +1603,7 @@ <h4 class="phpdocumentor-element__name" id="method_drawImage">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">199</span>
+    <span class="phpdocumentor-element-found-in__line">182</span>
 
     </aside>
 
@@ -1637,7 +1638,7 @@ <h4 class="phpdocumentor-element__name" id="method_getDefaultModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">102</span>
+    <span class="phpdocumentor-element-found-in__line">101</span>
 
     </aside>
 
@@ -1686,7 +1687,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1748,7 +1749,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1800,7 +1801,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -1835,17 +1836,18 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
 >
     <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
         guessMimeType()
-        <a href="classes/chillerlan-QRCode-Output-QRImagick.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
 
     </h4>
     <aside class="phpdocumentor-element-found-in">
-    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">138</span>
+    <span class="phpdocumentor-element-found-in__line">216</span>
 
     </aside>
 
-    
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
     <code class="phpdocumentor-code phpdocumentor-signature ">
     <span class="phpdocumentor-signature__visibility">protected</span>
                     <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
@@ -1868,20 +1870,11 @@ <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     
     <h5 class="phpdocumentor-tag-list__heading" id="tags">
         Tags
-        <a href="classes/chillerlan-QRCode-Output-QRImagick.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
 
     </h5>
     <dl class="phpdocumentor-tag-list">
                                     <dt class="phpdocumentor-tag-list__entry">
-                    <span class="phpdocumentor-tag__name">todo:</span>
-                </dt>
-                <dd class="phpdocumentor-tag-list__definition">
-                                                                                
-                                                 <section class="phpdocumentor-description"><p>move to QROutputAbstract</p>
-</section>
-
-                                    </dd>
-                                                <dt class="phpdocumentor-tag-list__entry">
                     <span class="phpdocumentor-tag__name">throws</span>
                 </dt>
                 <dd class="phpdocumentor-tag-list__definition">
@@ -1913,7 +1906,7 @@ <h4 class="phpdocumentor-element__name" id="method_module">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">215</span>
+    <span class="phpdocumentor-element-found-in__line">198</span>
 
     </aside>
 
@@ -1972,7 +1965,7 @@ <h4 class="phpdocumentor-element__name" id="method_prepareModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">98</span>
+    <span class="phpdocumentor-element-found-in__line">97</span>
 
     </aside>
 
@@ -2021,7 +2014,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2104,7 +2097,7 @@ <h4 class="phpdocumentor-element__name" id="method_setBgColor">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">151</span>
+    <span class="phpdocumentor-element-found-in__line">134</span>
 
     </aside>
 
@@ -2139,7 +2132,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2176,7 +2169,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2211,7 +2204,7 @@ <h4 class="phpdocumentor-element__name" id="method_setTransparencyColor">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QRImagick.php"><a href="files/src-output-qrimagick.html"><abbr title="src/Output/QRImagick.php">QRImagick.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">181</span>
+    <span class="phpdocumentor-element-found-in__line">164</span>
 
     </aside>
 
@@ -2246,7 +2239,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2259,7 +2252,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2435,7 +2431,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
-                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QRImagick.html#method_guessMimeType">guessMimeType()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRImagick.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRImagick.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_saveToFile">saveToFile()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRInterventionImage.html b/classes/chillerlan-QRCode-Output-QRInterventionImage.html
index e5fb616ea..7e03f066d 100644
--- a/classes/chillerlan-QRCode-Output-QRInterventionImage.html
+++ b/classes/chillerlan-QRCode-Output-QRInterventionImage.html
@@ -400,6 +400,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRInterventionImage.html#method_module">module()</a>
     <span>
@@ -472,7 +479,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -508,7 +515,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -559,7 +566,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -610,7 +617,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -661,7 +668,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -748,7 +755,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -799,7 +806,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -886,7 +893,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -937,7 +944,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1010,7 +1017,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1047,7 +1054,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1099,7 +1106,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1152,7 +1159,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1189,7 +1196,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1490,7 +1497,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1546,7 +1553,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1633,7 +1640,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1695,7 +1702,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1747,7 +1754,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -1773,6 +1780,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -1896,7 +1967,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -1979,7 +2050,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2016,7 +2087,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2051,7 +2122,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2064,7 +2135,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2239,6 +2313,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRInterventionImage.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-CssColorModuleValueTrait.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_saveToFile">saveToFile()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRMarkup.html b/classes/chillerlan-QRCode-Output-QRMarkup.html
index 9e2d57a7c..3ec06b60e 100644
--- a/classes/chillerlan-QRCode-Output-QRMarkup.html
+++ b/classes/chillerlan-QRCode-Output-QRMarkup.html
@@ -365,6 +365,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-CssColorModuleValueTrait.html#method_prepareModuleValue">prepareModuleValue()</a>
     <span>
@@ -430,7 +437,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -466,7 +473,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -517,7 +524,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -568,7 +575,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -619,7 +626,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -670,7 +677,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -721,7 +728,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -772,7 +779,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -823,7 +830,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -860,7 +867,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -897,7 +904,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -949,7 +956,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1002,7 +1009,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1039,7 +1046,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1095,7 +1102,7 @@ <h4 class="phpdocumentor-element__name" id="method___construct">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">81</span>
+    <span class="phpdocumentor-element-found-in__line">84</span>
 
     </aside>
 
@@ -1276,7 +1283,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1332,7 +1339,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1517,7 +1524,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1579,7 +1586,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1631,7 +1638,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -1657,6 +1664,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -1721,7 +1792,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -1804,7 +1875,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -1841,7 +1912,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -1876,7 +1947,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -1889,7 +1960,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2062,6 +2136,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-CssColorModuleValueTrait.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_saveToFile">saveToFile()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_setMatrixDimensions">setMatrixDimensions()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRMarkupHTML.html b/classes/chillerlan-QRCode-Output-QRMarkupHTML.html
index 24b6271f6..00050fac1 100644
--- a/classes/chillerlan-QRCode-Output-QRMarkupHTML.html
+++ b/classes/chillerlan-QRCode-Output-QRMarkupHTML.html
@@ -373,6 +373,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-CssColorModuleValueTrait.html#method_prepareModuleValue">prepareModuleValue()</a>
     <span>
@@ -476,7 +483,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -512,7 +519,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -563,7 +570,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -614,7 +621,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -665,7 +672,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -716,7 +723,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -767,7 +774,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -818,7 +825,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -869,7 +876,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -906,7 +913,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -943,7 +950,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -995,7 +1002,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1048,7 +1055,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1085,7 +1092,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1141,7 +1148,7 @@ <h4 class="phpdocumentor-element__name" id="method___construct">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">81</span>
+    <span class="phpdocumentor-element-found-in__line">84</span>
 
     </aside>
 
@@ -1322,7 +1329,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1378,7 +1385,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1563,7 +1570,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1625,7 +1632,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1677,7 +1684,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -1703,6 +1710,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -1767,7 +1838,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -1850,7 +1921,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -1887,7 +1958,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -1922,7 +1993,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -1935,7 +2006,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2115,6 +2189,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-CssColorModuleValueTrait.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_saveToFile">saveToFile()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_setMatrixDimensions">setMatrixDimensions()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRMarkupSVG.html b/classes/chillerlan-QRCode-Output-QRMarkupSVG.html
index 835fe4779..687c5f66f 100644
--- a/classes/chillerlan-QRCode-Output-QRMarkupSVG.html
+++ b/classes/chillerlan-QRCode-Output-QRMarkupSVG.html
@@ -442,6 +442,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>returns the value for the SVG viewBox attribute</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRMarkupSVG.html#method_header">header()</a>
     <span>
@@ -573,7 +580,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -609,7 +616,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -660,7 +667,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -711,7 +718,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -762,7 +769,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -813,7 +820,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -864,7 +871,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -915,7 +922,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -966,7 +973,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1003,7 +1010,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1040,7 +1047,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1092,7 +1099,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1145,7 +1152,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1182,7 +1189,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1238,7 +1245,7 @@ <h4 class="phpdocumentor-element__name" id="method___construct">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">81</span>
+    <span class="phpdocumentor-element-found-in__line">84</span>
 
     </aside>
 
@@ -1423,7 +1430,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1479,7 +1486,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1664,7 +1671,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1726,7 +1733,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1861,6 +1868,70 @@ <h5 class="phpdocumentor-tag-list__heading" id="tags">
 
     
 
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
             <section>
         <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">string</span>
@@ -2172,7 +2243,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2255,7 +2326,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2292,7 +2363,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2327,7 +2398,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2340,7 +2411,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2521,6 +2595,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRMarkupSVG.html#method_getOutputDimensions">getOutputDimensions()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRMarkupSVG.html#method_getViewBox">getViewBox()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRMarkupSVG.html#method_header">header()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRMarkupSVG.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRMarkupSVG.html#method_path">path()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRMarkupXML.html b/classes/chillerlan-QRCode-Output-QRMarkupXML.html
index 00fdeedbe..073932811 100644
--- a/classes/chillerlan-QRCode-Output-QRMarkupXML.html
+++ b/classes/chillerlan-QRCode-Output-QRMarkupXML.html
@@ -392,6 +392,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRMarkupXML.html#method_module">module()</a>
     <span>
@@ -540,7 +547,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -576,7 +583,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -627,7 +634,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -714,7 +721,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -765,7 +772,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -816,7 +823,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -867,7 +874,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -918,7 +925,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -969,7 +976,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -1006,7 +1013,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1043,7 +1050,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1095,7 +1102,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1148,7 +1155,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1185,7 +1192,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1241,7 +1248,7 @@ <h4 class="phpdocumentor-element__name" id="method___construct">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">81</span>
+    <span class="phpdocumentor-element-found-in__line">84</span>
 
     </aside>
 
@@ -1422,7 +1429,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1478,7 +1485,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1724,7 +1731,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1786,7 +1793,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1876,6 +1883,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -2059,7 +2130,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2142,7 +2213,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2179,7 +2250,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2214,7 +2285,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2227,7 +2298,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2410,6 +2484,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRMarkupXML.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRMarkupXML.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-CssColorModuleValueTrait.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRMarkupXML.html#method_row">row()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QROutputAbstract.html b/classes/chillerlan-QRCode-Output-QROutputAbstract.html
index a64593bea..074b92fc7 100644
--- a/classes/chillerlan-QRCode-Output-QROutputAbstract.html
+++ b/classes/chillerlan-QRCode-Output-QROutputAbstract.html
@@ -151,7 +151,7 @@ <h2 class="phpdocumentor-content__title">
         <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">23</span>
+    <span class="phpdocumentor-element-found-in__line">26</span>
 
     </aside>
 
@@ -340,6 +340,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_prepareModuleValue">prepareModuleValue()</a>
     <span>
@@ -405,7 +412,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -441,7 +448,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -492,7 +499,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -543,7 +550,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -594,7 +601,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -645,7 +652,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -696,7 +703,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -747,7 +754,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -798,7 +805,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -835,7 +842,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -872,7 +879,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -924,7 +931,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -977,7 +984,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1014,7 +1021,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1070,7 +1077,7 @@ <h4 class="phpdocumentor-element__name" id="method___construct">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">81</span>
+    <span class="phpdocumentor-element-found-in__line">84</span>
 
     </aside>
 
@@ -1122,7 +1129,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1178,7 +1185,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1216,7 +1223,7 @@ <h4 class="phpdocumentor-element__name" id="method_getDefaultModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">169</span>
+    <span class="phpdocumentor-element-found-in__line">172</span>
 
     </aside>
 
@@ -1261,7 +1268,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1323,7 +1330,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1375,7 +1382,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -1401,6 +1408,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -1416,7 +1487,7 @@ <h4 class="phpdocumentor-element__name" id="method_prepareModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">164</span>
+    <span class="phpdocumentor-element-found-in__line">167</span>
 
     </aside>
 
@@ -1461,7 +1532,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -1544,7 +1615,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -1581,7 +1652,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -1616,7 +1687,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -1629,7 +1700,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -1798,6 +1872,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_saveToFile">saveToFile()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_setMatrixDimensions">setMatrixDimensions()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRStringJSON.html b/classes/chillerlan-QRCode-Output-QRStringJSON.html
index aba9eebea..f2d39e2c7 100644
--- a/classes/chillerlan-QRCode-Output-QRStringJSON.html
+++ b/classes/chillerlan-QRCode-Output-QRStringJSON.html
@@ -391,6 +391,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRStringJSON.html#method_module">module()</a>
     <span>
@@ -539,7 +546,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -575,7 +582,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -626,7 +633,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -677,7 +684,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -728,7 +735,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -779,7 +786,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -830,7 +837,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -881,7 +888,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -932,7 +939,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -969,7 +976,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -1006,7 +1013,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -1058,7 +1065,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1111,7 +1118,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1148,7 +1155,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1204,7 +1211,7 @@ <h4 class="phpdocumentor-element__name" id="method___construct">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">81</span>
+    <span class="phpdocumentor-element-found-in__line">84</span>
 
     </aside>
 
@@ -1452,7 +1459,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1508,7 +1515,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1595,7 +1602,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1657,7 +1664,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1747,6 +1754,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -1962,7 +2033,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -2045,7 +2116,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -2082,7 +2153,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -2117,7 +2188,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -2130,7 +2201,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2310,6 +2384,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRStringJSON.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRStringJSON.html#method_module">module()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-CssColorModuleValueTrait.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRStringJSON.html#method_row">row()</a></li>
diff --git a/classes/chillerlan-QRCode-Output-QRStringText.html b/classes/chillerlan-QRCode-Output-QRStringText.html
index e7e7380ee..8ba7e49c2 100644
--- a/classes/chillerlan-QRCode-Output-QRStringText.html
+++ b/classes/chillerlan-QRCode-Output-QRStringText.html
@@ -365,6 +365,13 @@ <h4 id="toc-methods">
 </dt>
 <dd>Returns a 2 element array with the current output width and height</dd>
 
+            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
+    <a class="" href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a>
+    <span>
+                                &nbsp;: string    </span>
+</dt>
+<dd>Guesses the mime type from the given $imageData</dd>
+
             <dt class="phpdocumentor-table-of-contents__entry -method -protected">
     <a class="" href="classes/chillerlan-QRCode-Output-QRStringText.html#method_prepareModuleValue">prepareModuleValue()</a>
     <span>
@@ -468,7 +475,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleDiameter">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">76</span>
+    <span class="phpdocumentor-element-found-in__line">79</span>
 
     </aside>
 
@@ -504,7 +511,7 @@ <h4 class="phpdocumentor-element__name" id="property_circleRadius">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">75</span>
+    <span class="phpdocumentor-element-found-in__line">78</span>
 
     </aside>
 
@@ -555,7 +562,7 @@ <h4 class="phpdocumentor-element__name" id="property_connectPaths">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">67</span>
+    <span class="phpdocumentor-element-found-in__line">70</span>
 
     </aside>
 
@@ -606,7 +613,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawCircularModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">73</span>
+    <span class="phpdocumentor-element-found-in__line">76</span>
 
     </aside>
 
@@ -657,7 +664,7 @@ <h4 class="phpdocumentor-element__name" id="property_drawLightModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">71</span>
+    <span class="phpdocumentor-element-found-in__line">74</span>
 
     </aside>
 
@@ -708,7 +715,7 @@ <h4 class="phpdocumentor-element__name" id="property_eol">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">69</span>
+    <span class="phpdocumentor-element-found-in__line">72</span>
 
     </aside>
 
@@ -759,7 +766,7 @@ <h4 class="phpdocumentor-element__name" id="property_excludeFromConnect">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">58</span>
+    <span class="phpdocumentor-element-found-in__line">61</span>
 
     </aside>
 
@@ -810,7 +817,7 @@ <h4 class="phpdocumentor-element__name" id="property_keepAsSquare">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">63</span>
+    <span class="phpdocumentor-element-found-in__line">66</span>
 
     </aside>
 
@@ -861,7 +868,7 @@ <h4 class="phpdocumentor-element__name" id="property_length">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">35</span>
+    <span class="phpdocumentor-element-found-in__line">38</span>
 
     </aside>
 
@@ -898,7 +905,7 @@ <h4 class="phpdocumentor-element__name" id="property_matrix">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">47</span>
+    <span class="phpdocumentor-element-found-in__line">50</span>
 
     </aside>
 
@@ -935,7 +942,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleCount">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">30</span>
+    <span class="phpdocumentor-element-found-in__line">33</span>
 
     </aside>
 
@@ -987,7 +994,7 @@ <h4 class="phpdocumentor-element__name" id="property_moduleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">42</span>
+    <span class="phpdocumentor-element-found-in__line">45</span>
 
     </aside>
 
@@ -1040,7 +1047,7 @@ <h4 class="phpdocumentor-element__name" id="property_options">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">52</span>
+    <span class="phpdocumentor-element-found-in__line">55</span>
 
     </aside>
 
@@ -1077,7 +1084,7 @@ <h4 class="phpdocumentor-element__name" id="property_scale">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">65</span>
+    <span class="phpdocumentor-element-found-in__line">68</span>
 
     </aside>
 
@@ -1133,7 +1140,7 @@ <h4 class="phpdocumentor-element__name" id="method___construct">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">81</span>
+    <span class="phpdocumentor-element-found-in__line">84</span>
 
     </aside>
 
@@ -1394,7 +1401,7 @@ <h4 class="phpdocumentor-element__name" id="method_collectModules">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">235</span>
+    <span class="phpdocumentor-element-found-in__line">267</span>
 
     </aside>
 
@@ -1450,7 +1457,7 @@ <h4 class="phpdocumentor-element__name" id="method_copyVars">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">100</span>
+    <span class="phpdocumentor-element-found-in__line">103</span>
 
     </aside>
 
@@ -1537,7 +1544,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValue">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">176</span>
+    <span class="phpdocumentor-element-found-in__line">179</span>
 
     </aside>
 
@@ -1599,7 +1606,7 @@ <h4 class="phpdocumentor-element__name" id="method_getModuleValueAt">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">188</span>
+    <span class="phpdocumentor-element-found-in__line">191</span>
 
     </aside>
 
@@ -1651,7 +1658,7 @@ <h4 class="phpdocumentor-element__name" id="method_getOutputDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">140</span>
 
     </aside>
 
@@ -1677,6 +1684,70 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
         <span class="phpdocumentor-signature__response_type">array&lt;string|int, int&gt;</span>
             </section>
 
+</article>
+                    <article
+        class="phpdocumentor-element
+            -method
+            -protected
+                                                        "
+>
+    <h4 class="phpdocumentor-element__name" id="method_guessMimeType">
+        guessMimeType()
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h4>
+    <aside class="phpdocumentor-element-found-in">
+    <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
+    :
+    <span class="phpdocumentor-element-found-in__line">216</span>
+
+    </aside>
+
+        <p class="phpdocumentor-summary">Guesses the mime type from the given $imageData</p>
+
+    <code class="phpdocumentor-code phpdocumentor-signature ">
+    <span class="phpdocumentor-signature__visibility">protected</span>
+                    <span class="phpdocumentor-signature__name">guessMimeType</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$imageData</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>
+
+    <div class="phpdocumentor-label-line">
+        </div>
+    
+    
+        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
+    <dl class="phpdocumentor-argument-list">
+                    <dt class="phpdocumentor-argument-list__entry">
+                <span class="phpdocumentor-signature__argument__name">$imageData</span>
+                : <span class="phpdocumentor-signature__argument__return-type">string</span>
+                            </dt>
+            <dd class="phpdocumentor-argument-list__definition">
+                
+            </dd>
+            </dl>
+
+    
+    <h5 class="phpdocumentor-tag-list__heading" id="tags">
+        Tags
+        <a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType#tags" class="headerlink"><i class="fas fa-link"></i></a>
+
+    </h5>
+    <dl class="phpdocumentor-tag-list">
+                                    <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">throws</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Output-QRCodeOutputException.html"><abbr title="\chillerlan\QRCode\Output\QRCodeOutputException">QRCodeOutputException</abbr></a></span>
+                                                            
+                                             
+                                    </dd>
+                                            </dl>
+
+    
+
+            <section>
+        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
+        <span class="phpdocumentor-signature__response_type">string</span>
+            </section>
+
 </article>
                     <article
         class="phpdocumentor-element
@@ -1755,7 +1826,7 @@ <h4 class="phpdocumentor-element__name" id="method_saveToFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">207</span>
+    <span class="phpdocumentor-element-found-in__line">239</span>
 
     </aside>
 
@@ -1838,7 +1909,7 @@ <h4 class="phpdocumentor-element__name" id="method_setMatrixDimensions">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">124</span>
+    <span class="phpdocumentor-element-found-in__line">127</span>
 
     </aside>
 
@@ -1875,7 +1946,7 @@ <h4 class="phpdocumentor-element__name" id="method_setModuleValues">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">144</span>
+    <span class="phpdocumentor-element-found-in__line">147</span>
 
     </aside>
 
@@ -1910,7 +1981,7 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="src/Output/QROutputAbstract.php"><a href="files/src-output-qroutputabstract.html"><abbr title="src/Output/QROutputAbstract.php">QROutputAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">195</span>
+    <span class="phpdocumentor-element-found-in__line">201</span>
 
     </aside>
 
@@ -1923,7 +1994,10 @@ <h4 class="phpdocumentor-element__name" id="method_toBase64DataURI">
     <div class="phpdocumentor-label-line">
         </div>
     
-    
+        <section class="phpdocumentor-description"><p>The mime type can be set via class constant MIME_TYPE in child classes,
+or given via $mime, otherwise it is guessed from the image $data.</p>
+</section>
+
         <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
     <dl class="phpdocumentor-argument-list">
                     <dt class="phpdocumentor-argument-list__entry">
@@ -2102,6 +2176,7 @@ <h5 class="phpdocumentor-return-value__heading">Return values</h5>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValue">getModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getModuleValueAt">getModuleValueAt()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_getOutputDimensions">getOutputDimensions()</a></li>
+                                            <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType">guessMimeType()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QRStringText.html#method_prepareModuleValue">prepareModuleValue()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_saveToFile">saveToFile()</a></li>
                                             <li class=""><a href="classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_setMatrixDimensions">setMatrixDimensions()</a></li>
diff --git a/classes/chillerlan-QRCodeTest-QRCodeReaderGDTest.html b/classes/chillerlan-QRCodeTest-QRCodeReaderGDTest.html
index a477fd12f..94c6cec6a 100644
--- a/classes/chillerlan-QRCodeTest-QRCodeReaderGDTest.html
+++ b/classes/chillerlan-QRCodeTest-QRCodeReaderGDTest.html
@@ -435,7 +435,7 @@ <h4 class="phpdocumentor-element__name" id="method_dataTestProvider">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">132</span>
 
     </aside>
 
@@ -558,7 +558,7 @@ <h4 class="phpdocumentor-element__name" id="method_qrCodeProvider">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">59</span>
+    <span class="phpdocumentor-element-found-in__line">54</span>
 
     </aside>
 
@@ -612,7 +612,7 @@ <h4 class="phpdocumentor-element__name" id="method_testReadData">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">159</span>
+    <span class="phpdocumentor-element-found-in__line">156</span>
 
     </aside>
 
@@ -692,7 +692,7 @@ <h4 class="phpdocumentor-element__name" id="method_testReader">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">91</span>
+    <span class="phpdocumentor-element-found-in__line">86</span>
 
     </aside>
 
@@ -772,7 +772,7 @@ <h4 class="phpdocumentor-element__name" id="method_testReaderMultiMode">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">114</span>
+    <span class="phpdocumentor-element-found-in__line">109</span>
 
     </aside>
 
diff --git a/classes/chillerlan-QRCodeTest-QRCodeReaderImagickTest.html b/classes/chillerlan-QRCodeTest-QRCodeReaderImagickTest.html
index 784e924fd..a3dfa9935 100644
--- a/classes/chillerlan-QRCodeTest-QRCodeReaderImagickTest.html
+++ b/classes/chillerlan-QRCodeTest-QRCodeReaderImagickTest.html
@@ -447,7 +447,7 @@ <h4 class="phpdocumentor-element__name" id="method_dataTestProvider">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">132</span>
 
     </aside>
 
@@ -570,7 +570,7 @@ <h4 class="phpdocumentor-element__name" id="method_qrCodeProvider">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">59</span>
+    <span class="phpdocumentor-element-found-in__line">54</span>
 
     </aside>
 
@@ -624,7 +624,7 @@ <h4 class="phpdocumentor-element__name" id="method_testReadData">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">159</span>
+    <span class="phpdocumentor-element-found-in__line">156</span>
 
     </aside>
 
@@ -704,7 +704,7 @@ <h4 class="phpdocumentor-element__name" id="method_testReader">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">91</span>
+    <span class="phpdocumentor-element-found-in__line">86</span>
 
     </aside>
 
@@ -784,7 +784,7 @@ <h4 class="phpdocumentor-element__name" id="method_testReaderMultiMode">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">114</span>
+    <span class="phpdocumentor-element-found-in__line">109</span>
 
     </aside>
 
diff --git a/classes/chillerlan-QRCodeTest-QRCodeReaderTestAbstract.html b/classes/chillerlan-QRCodeTest-QRCodeReaderTestAbstract.html
index a3a261b69..b9d500adb 100644
--- a/classes/chillerlan-QRCodeTest-QRCodeReaderTestAbstract.html
+++ b/classes/chillerlan-QRCodeTest-QRCodeReaderTestAbstract.html
@@ -438,7 +438,7 @@ <h4 class="phpdocumentor-element__name" id="method_dataTestProvider">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">137</span>
+    <span class="phpdocumentor-element-found-in__line">132</span>
 
     </aside>
 
@@ -561,7 +561,7 @@ <h4 class="phpdocumentor-element__name" id="method_qrCodeProvider">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">59</span>
+    <span class="phpdocumentor-element-found-in__line">54</span>
 
     </aside>
 
@@ -615,7 +615,7 @@ <h4 class="phpdocumentor-element__name" id="method_testReadData">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">159</span>
+    <span class="phpdocumentor-element-found-in__line">156</span>
 
     </aside>
 
@@ -695,7 +695,7 @@ <h4 class="phpdocumentor-element__name" id="method_testReader">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">91</span>
+    <span class="phpdocumentor-element-found-in__line">86</span>
 
     </aside>
 
@@ -775,7 +775,7 @@ <h4 class="phpdocumentor-element__name" id="method_testReaderMultiMode">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">114</span>
+    <span class="phpdocumentor-element-found-in__line">109</span>
 
     </aside>
 
@@ -914,7 +914,7 @@ <h4 class="phpdocumentor-element__name" id="method_getLuminanceSourceFromFile">
     <aside class="phpdocumentor-element-found-in">
     <abbr class="phpdocumentor-element-found-in__file" title="tests/QRCodeReaderTestAbstract.php"><a href="files/tests-qrcodereadertestabstract.html"><abbr title="tests/QRCodeReaderTestAbstract.php">QRCodeReaderTestAbstract.php</abbr></a></abbr>
     :
-    <span class="phpdocumentor-element-found-in__line">86</span>
+    <span class="phpdocumentor-element-found-in__line">81</span>
 
     </aside>
 
diff --git a/files/src-output-qroutputabstract.html b/files/src-output-qroutputabstract.html
index 0418a3885..262264a5d 100644
--- a/files/src-output-qroutputabstract.html
+++ b/files/src-output-qroutputabstract.html
@@ -169,6 +169,15 @@ <h5 class="phpdocumentor-tag-list__heading" id="tags">
                                                  <section class="phpdocumentor-description"><p>MIT</p>
 </section>
 
+                                    </dd>
+                                                <dt class="phpdocumentor-tag-list__entry">
+                    <span class="phpdocumentor-tag__name">noinspection</span>
+                </dt>
+                <dd class="phpdocumentor-tag-list__definition">
+                                                                                
+                                                 <section class="phpdocumentor-description"><p>PhpComposerExtensionStubsInspection</p>
+</section>
+
                                     </dd>
                         </dl>
 
diff --git a/js/searchIndex.js b/js/searchIndex.js
index 32b20f163..31cf67d4a 100644
--- a/js/searchIndex.js
+++ b/js/searchIndex.js
@@ -2715,11 +2715,6 @@ Search.appendIndex(
             "name": "dump",
             "summary": "Generates\u0020the\u0020output,\u0020optionally\u0020dumps\u0020it\u0020to\u0020a\u0020file,\u0020and\u0020returns\u0020it",
             "url": "classes/chillerlan-QRCode-Output-QRImagick.html#method_dump"
-        },                {
-            "fqsen": "\\chillerlan\\QRCode\\Output\\QRImagick\u003A\u003AguessMimeType\u0028\u0029",
-            "name": "guessMimeType",
-            "summary": "",
-            "url": "classes/chillerlan-QRCode-Output-QRImagick.html#method_guessMimeType"
         },                {
             "fqsen": "\\chillerlan\\QRCode\\Output\\QRImagick\u003A\u003AsetBgColor\u0028\u0029",
             "name": "setBgColor",
@@ -2990,6 +2985,11 @@ Search.appendIndex(
             "name": "toBase64DataURI",
             "summary": "Returns\u0020a\u0020base64\u0020data\u0020URI\u0020for\u0020the\u0020given\u0020string\u0020and\u0020mime\u0020type",
             "url": "classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_toBase64DataURI"
+        },                {
+            "fqsen": "\\chillerlan\\QRCode\\Output\\QROutputAbstract\u003A\u003AguessMimeType\u0028\u0029",
+            "name": "guessMimeType",
+            "summary": "Guesses\u0020the\u0020mime\u0020type\u0020from\u0020the\u0020given\u0020\u0024imageData",
+            "url": "classes/chillerlan-QRCode-Output-QROutputAbstract.html#method_guessMimeType"
         },                {
             "fqsen": "\\chillerlan\\QRCode\\Output\\QROutputAbstract\u003A\u003AsaveToFile\u0028\u0029",
             "name": "saveToFile",