diff --git a/app/src/main/kotlin/com/svenjacobs/app/leon/startup/ContainerInitializer.kt b/app/src/main/kotlin/com/svenjacobs/app/leon/startup/ContainerInitializer.kt
index 1e846b81..dc4b9432 100644
--- a/app/src/main/kotlin/com/svenjacobs/app/leon/startup/ContainerInitializer.kt
+++ b/app/src/main/kotlin/com/svenjacobs/app/leon/startup/ContainerInitializer.kt
@@ -38,6 +38,7 @@ import com.svenjacobs.app.leon.core.domain.sanitizer.georiot.GeoRiotSanitizer
 import com.svenjacobs.app.leon.core.domain.sanitizer.google.GoogleAdsSanitizer
 import com.svenjacobs.app.leon.core.domain.sanitizer.google.GoogleAnalyticsSanitizer
 import com.svenjacobs.app.leon.core.domain.sanitizer.google.GoogleSearchSanitizer
+import com.svenjacobs.app.leon.core.domain.sanitizer.heise.HeiseSanitizer
 import com.svenjacobs.app.leon.core.domain.sanitizer.instagram.InstagramSanitizer
 import com.svenjacobs.app.leon.core.domain.sanitizer.jdoqocy.JdoqocySanitizer
 import com.svenjacobs.app.leon.core.domain.sanitizer.lazada.LazadaSanitizer
@@ -90,6 +91,7 @@ class ContainerInitializer : DistinctInitializer<Unit> {
 				GoogleAdsSanitizer(),
 				GoogleAnalyticsSanitizer(),
 				GoogleSearchSanitizer(),
+				HeiseSanitizer(),
 				InstagramSanitizer(),
 				JdoqocySanitizer(),
 				LazadaSanitizer(),
diff --git a/core-domain/src/main/kotlin/com/svenjacobs/app/leon/core/domain/sanitizer/heise/HeiseSanitizer.kt b/core-domain/src/main/kotlin/com/svenjacobs/app/leon/core/domain/sanitizer/heise/HeiseSanitizer.kt
new file mode 100644
index 00000000..da8f9624
--- /dev/null
+++ b/core-domain/src/main/kotlin/com/svenjacobs/app/leon/core/domain/sanitizer/heise/HeiseSanitizer.kt
@@ -0,0 +1,39 @@
+/*
+ * Léon - The URL Cleaner
+ * Copyright (C) 2023 Sven Jacobs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.svenjacobs.app.leon.core.domain.sanitizer.heise
+
+import android.content.Context
+import com.svenjacobs.app.leon.core.common.domain.matchesDomain
+import com.svenjacobs.app.leon.core.common.regex.RegexFactory
+import com.svenjacobs.app.leon.core.domain.R
+import com.svenjacobs.app.leon.core.domain.sanitizer.RegexSanitizer
+import com.svenjacobs.app.leon.core.domain.sanitizer.Sanitizer
+import com.svenjacobs.app.leon.core.domain.sanitizer.SanitizerId
+
+class HeiseSanitizer : RegexSanitizer(
+	RegexFactory.AllParameters,
+) {
+	override val id = SanitizerId("heise")
+
+	override fun getMetadata(context: Context) = Sanitizer.Metadata(
+		name = context.getString(R.string.sanitizer_heise),
+	)
+
+	override fun matchesDomain(input: String) = input.matchesDomain("heise.de")
+}
diff --git a/core-domain/src/main/res/values/strings.xml b/core-domain/src/main/res/values/strings.xml
index ed369e7e..a5ad98d3 100644
--- a/core-domain/src/main/res/values/strings.xml
+++ b/core-domain/src/main/res/values/strings.xml
@@ -35,6 +35,7 @@
     <string name="sanitizer_georiot_name" translatable="false">GeoRiot</string>
     <string name="sanitizer_google_ads_name" translatable="false">Google Ads</string>
     <string name="sanitizer_google_search_name">Google Search</string>
+    <string name="sanitizer_heise" translatable="false">heise online</string>
     <string name="sanitizer_instagram_name" translatable="false">Instagram</string>
     <string name="sanitizer_jdoqocy_name" translatable="false">Jdoqocy</string>
     <string name="sanitizer_lazada" translatable="false">Lazada</string>
diff --git a/core-domain/src/test/kotlin/com/svenjacobs/app/leon/core/domain/sanitizer/heise/HeiseSanitizerTest.kt b/core-domain/src/test/kotlin/com/svenjacobs/app/leon/core/domain/sanitizer/heise/HeiseSanitizerTest.kt
new file mode 100644
index 00000000..62a5c7ac
--- /dev/null
+++ b/core-domain/src/test/kotlin/com/svenjacobs/app/leon/core/domain/sanitizer/heise/HeiseSanitizerTest.kt
@@ -0,0 +1,46 @@
+/*
+ * Léon - The URL Cleaner
+ * Copyright (C) 2023 Sven Jacobs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.svenjacobs.app.leon.core.domain.sanitizer.heise
+
+import io.kotest.core.spec.style.WordSpec
+import io.kotest.matchers.shouldBe
+
+class HeiseSanitizerTest : WordSpec(
+	{
+		val sanitizer = HeiseSanitizer()
+
+		"invoke" should {
+
+			"clean heise.de URLs" {
+				sanitizer.invoke(
+					"https://www.heise.de/news/Boom-bei-Balkonkraftwerken-Bereits-mehr-als-" +
+						"300-000-in-Betrieb-9324094.html?wt_mc=rss.red.ho.ho.rdf.beitrag.beitrag",
+				) shouldBe "https://www.heise.de/news/Boom-bei-Balkonkraftwerken-Bereits-mehr-als" +
+					"-300-000-in-Betrieb-9324094.html"
+			}
+		}
+
+		"matchesDomain" should {
+
+			"match heise.de" {
+				sanitizer.matchesDomain("https://heise.de") shouldBe true
+			}
+		}
+	},
+)