diff --git a/Cargo.lock b/Cargo.lock
index 205cedf..ab6cf9d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -25,6 +25,18 @@ dependencies = [
  "cpufeatures",
 ]
 
+[[package]]
+name = "ahash"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.3"
@@ -106,9 +118,22 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.86"
+version = "1.0.88"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3d1d046238990b9cf5bcde22a3fb3584ee5cf65fb2765f454ed428c7a0063da"
+checksum = "4e1496f8fb1fbf272686b8d37f523dab3e4a7443300055e74cdaa449f3114356"
+
+[[package]]
+name = "aom-decode"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b4bc244b59f851b3445dfdd06914b194e1a8128d69c75acdaf6f79919b42afb"
+dependencies = [
+ "avif-parse",
+ "imgref",
+ "libaom-sys",
+ "quick-error",
+ "yuv",
+]
 
 [[package]]
 name = "arbitrary"
@@ -162,6 +187,35 @@ dependencies = [
  "v_frame",
 ]
 
+[[package]]
+name = "avif-decode"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5093f6d7c910d1859387a8d7d29a26ec4822d60cba632fdb32121c5c0cb1312a"
+dependencies = [
+ "aom-decode",
+ "avif-parse",
+ "imgref",
+ "lodepng",
+ "owning_ref",
+ "quick-error",
+ "rgb",
+ "yuv",
+]
+
+[[package]]
+name = "avif-parse"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87fb3f9afbbb9f71ae53da13771284895f51c6acc77cfb3571ab966780250dee"
+dependencies = [
+ "bitreader",
+ "byteorder",
+ "fallible_collections",
+ "log",
+ "static_assertions",
+]
+
 [[package]]
 name = "avif-serialize"
 version = "0.8.1"
@@ -201,6 +255,15 @@ version = "2.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
 
+[[package]]
+name = "bitreader"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bdd859c9d97f7c468252795b35aeccc412bdbb1e90ee6969c4fa6328272eaeff"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "bitstream-io"
 version = "2.5.3"
@@ -240,9 +303,9 @@ checksum = "79296716171880943b8470b5f8d03aa55eb2e645a4874bdbb28adb49162e012c"
 
 [[package]]
 name = "bytemuck"
-version = "1.17.0"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fd4c6dcc3b0aea2f5c0b4b82c2b15fe39ddbc76041a310848f4706edf76bb31"
+checksum = "94bbb0ad554ad961ddc5da507a12a29b14e4ae5bda06b19f575a3e6079d2e2ae"
 
 [[package]]
 name = "byteorder"
@@ -279,9 +342,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.1.14"
+version = "1.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "50d2eb3cd3d1bf4529e31c215ee6f93ec5a3d536d9f578f93d9d33ee19562932"
+checksum = "b62ac837cdb5cb22e10a256099b4fc502b1dfe560cb282963a974d7abd80e476"
 dependencies = [
  "jobserver",
  "libc",
@@ -350,18 +413,18 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.5.16"
+version = "4.5.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed6719fffa43d0d87e5fd8caeab59be1554fb028cd30edc88fc4369b17971019"
+checksum = "3e5a21b8495e732f1b3c364c9949b201ca7bae518c502c80256c96ad79eaf6ac"
 dependencies = [
  "clap_builder",
 ]
 
 [[package]]
 name = "clap_builder"
-version = "4.5.15"
+version = "4.5.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "216aec2b177652e3846684cbfe25c9964d18ec45234f0f5da5157b207ed1aab6"
+checksum = "8cf2dd12af7a047ad9d6da2b6b249759a22a7abc0f474c1dae1777afa4b21a73"
 dependencies = [
  "anstream",
  "anstyle",
@@ -371,9 +434,9 @@ dependencies = [
 
 [[package]]
 name = "clap_complete"
-version = "4.5.23"
+version = "4.5.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "531d7959c5bbb6e266cecdd0f20213639c3a5c3e4d615f97db87661745f781ff"
+checksum = "205d5ef6d485fa47606b98b0ddc4ead26eb850aaa86abfb562a94fb3280ecba0"
 dependencies = [
  "clap",
 ]
@@ -384,6 +447,15 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1462739cb27611015575c0c11df5df7601141071f07518d56fcc1be504cbec97"
 
+[[package]]
+name = "cmake"
+version = "0.1.51"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb1e43aa7fd152b1f968787f7dbcdeb306d1867ff373c69955211876c053f91a"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "color_quant"
 version = "1.1.0"
@@ -429,9 +501,9 @@ dependencies = [
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.13"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51e852e6dc9a5bed1fae92dd2375037bf2b768725bf3be87811edee3249d09ad"
+checksum = "608697df725056feaccfa42cffdaeeec3fccc4ffc38358ecd19b243e716a78e0"
 dependencies = [
  "libc",
 ]
@@ -614,6 +686,15 @@ dependencies = [
  "zune-inflate",
 ]
 
+[[package]]
+name = "fallible_collections"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a88c69768c0a15262df21899142bc6df9b9b823546d4b4b9a7bc2d6c448ec6fd"
+dependencies = [
+ "hashbrown 0.13.2",
+]
+
 [[package]]
 name = "fastrand"
 version = "2.1.1"
@@ -631,9 +712,9 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.32"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c0596c1eac1f9e04ed902702e9878208b336edc9d6fddc8a48387349bab3666"
+checksum = "324a1be68054ef05ad64b861cc9eaf1d623d2d8cb25b4bf2cb9cdd902b4bf253"
 dependencies = [
  "crc32fast",
  "miniz_oxide 0.8.0",
@@ -733,9 +814,9 @@ dependencies = [
 
 [[package]]
 name = "globset"
-version = "0.4.14"
+version = "0.4.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57da3b9b5b85bd66f31093f8c408b90a74431672542466497dcbdfdc02034be1"
+checksum = "15f1ce686646e7f1e19bf7d5533fe443a45dbfb990e00629110797578b42fb19"
 dependencies = [
  "aho-corasick",
  "bstr",
@@ -765,6 +846,15 @@ dependencies = [
  "crunchy",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
+dependencies = [
+ "ahash",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.14.5"
@@ -830,9 +920,9 @@ dependencies = [
 
 [[package]]
 name = "ignore"
-version = "0.4.22"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b46810df39e66e925525d6e38ce1e7f6e1d208f72dc39757880fcb66e2c58af1"
+checksum = "6d89fd380afde86567dfba715db065673989d6253f42b88179abd3eae47bda4b"
 dependencies = [
  "crossbeam-deque",
  "globset",
@@ -915,12 +1005,12 @@ checksum = "44feda355f4159a7c757171a77de25daf6411e217b4cabd03bd6650690468126"
 
 [[package]]
 name = "indexmap"
-version = "2.4.0"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93ead53efc7ea8ed3cfb0c79fc8023fbb782a5432b52830b6518941cebe6505c"
+checksum = "68b900aa2f7301e21c36462b170ee99994de34dff39a4a6a528e80e7376d07e5"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.14.5",
 ]
 
 [[package]]
@@ -993,9 +1083,9 @@ dependencies = [
 
 [[package]]
 name = "kurbo"
-version = "0.11.0"
+version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e5aa9f0f96a938266bdb12928a67169e8d22c6a786fda8ed984b85e6ba93c3c"
+checksum = "89234b2cc610a7dd927ebde6b41dd1a5d4214cffaef4cf1fb2195d592f92518f"
 dependencies = [
  "arrayvec",
  "smallvec",
@@ -1013,6 +1103,15 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
 
+[[package]]
+name = "libaom-sys"
+version = "0.17.0+libaom.3.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cba7f0c21a491ce72470f31026d2cd8ddda1032fb09b69ef61b8a9076b6a184f"
+dependencies = [
+ "cmake",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.158"
@@ -1064,6 +1163,18 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9374ef4228402d4b7e403e5838cb880d9ee663314b0a900d5a6aabf0c213552e"
 
+[[package]]
+name = "lodepng"
+version = "3.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b2dea7cda68e381418c985fd8f32a9c279a21ae8c715f2376adb20c27a0fad3"
+dependencies = [
+ "crc32fast",
+ "flate2",
+ "libc",
+ "rgb",
+]
+
 [[package]]
 name = "log"
 version = "0.4.22"
@@ -1114,6 +1225,7 @@ dependencies = [
 name = "machin"
 version = "0.6.1"
 dependencies = [
+ "avif-decode",
  "clap",
  "clap_complete",
  "colored",
@@ -1182,9 +1294,9 @@ checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
 [[package]]
 name = "memmap2"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe751422e4a8caa417e13c3ea66452215d7d63e19e604f4980461212f3ae1322"
+checksum = "fd3f7eed9d3848f8b98834af67102b720745c4ec028fcd0aa0239277e7de374f"
 dependencies = [
  "libc",
 ]
@@ -1310,9 +1422,18 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.19.0"
+version = "1.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+checksum = "33ea5043e58958ee56f3e15a90aee535795cd7dfd319846288d93c5b57d85cbe"
+
+[[package]]
+name = "owning_ref"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ff55baddef9e4ad00f88b6c743a2a8062d4c6ade126c2a528644b8e444d52ce"
+dependencies = [
+ "stable_deref_trait",
+]
 
 [[package]]
 name = "parse-zoneinfo"
@@ -1359,9 +1480,9 @@ checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
 [[package]]
 name = "pest"
-version = "2.7.11"
+version = "2.7.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd53dff83f26735fdc1ca837098ccf133605d794cdae66acfc2bfac3ec809d95"
+checksum = "9c73c26c01b8c87956cea613c907c9d6ecffd8d18a2a5908e5de0adfaa185cea"
 dependencies = [
  "memchr",
  "thiserror",
@@ -1370,9 +1491,9 @@ dependencies = [
 
 [[package]]
 name = "pest_derive"
-version = "2.7.11"
+version = "2.7.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a548d2beca6773b1c244554d36fcf8548a8a58e74156968211567250e48e49a"
+checksum = "664d22978e2815783adbdd2c588b455b1bd625299ce36b2a99881ac9627e6d8d"
 dependencies = [
  "pest",
  "pest_generator",
@@ -1380,9 +1501,9 @@ dependencies = [
 
 [[package]]
 name = "pest_generator"
-version = "2.7.11"
+version = "2.7.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c93a82e8d145725dcbaf44e5ea887c8a869efdcc28706df2d08c69e17077183"
+checksum = "a2d5487022d5d33f4c30d91c22afa240ce2a644e87fe08caad974d4eab6badbe"
 dependencies = [
  "pest",
  "pest_meta",
@@ -1393,9 +1514,9 @@ dependencies = [
 
 [[package]]
 name = "pest_meta"
-version = "2.7.11"
+version = "2.7.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a941429fea7e08bedec25e4f6785b6ffaacc6b755da98df5ef3e7dcf4a124c4f"
+checksum = "0091754bbd0ea592c4deb3a122ce8ecbb0753b738aa82bc055fcc2eccc8d8174"
 dependencies = [
  "once_cell",
  "pest",
@@ -1701,9 +1822,9 @@ dependencies = [
 
 [[package]]
 name = "rgb"
-version = "0.8.48"
+version = "0.8.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f86ae463694029097b846d8f99fd5536740602ae00022c0c50c5600720b2f71"
+checksum = "57397d16646700483b67d2dd6511d79318f9d057fdbd21a4066aeac8b41d310a"
 dependencies = [
  "bytemuck",
 ]
@@ -1716,9 +1837,9 @@ checksum = "6c20b6793b5c2fa6553b250154b78d6d0db37e72700ae35fad9387a46f487c97"
 
 [[package]]
 name = "rustix"
-version = "0.38.34"
+version = "0.38.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70dc5ec042f7a43c4a73241207cecc9873a06d45debb38b329f8541d85c2730f"
+checksum = "8acb788b847c24f28525660c4d7758620a7210875711f79e7f663cc152726811"
 dependencies = [
  "bitflags 2.6.0",
  "errno",
@@ -1784,18 +1905,18 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "serde"
-version = "1.0.209"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99fce0ffe7310761ca6bf9faf5115afbc19688edd00171d81b1bb1b116c63e09"
+checksum = "c8e3592472072e6e22e0a54d5904d9febf8508f65fb8552499a1abc7d1078c3a"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.209"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5831b979fd7b5439637af1752d535ff49f4860c0f341d1baeb6faf0f4242170"
+checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1804,9 +1925,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.127"
+version = "1.0.128"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8043c06d9f82bd7271361ed64f415fe5e12a77fdb52e573e7f06a516dea329ad"
+checksum = "6ff5456707a1de34e7e37f2a6fd3d3f808c318259cbd01ab6377795054b483d8"
 dependencies = [
  "indexmap",
  "itoa",
@@ -1935,6 +2056,18 @@ dependencies = [
  "lock_api",
 ]
 
+[[package]]
+name = "stable_deref_trait"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
+
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
 [[package]]
 name = "strict-num"
 version = "0.1.1"
@@ -2009,9 +2142,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.76"
+version = "2.0.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "578e081a14e0cefc3279b0472138c513f37b41a08d5a3cca9b6e4e8ceb6cd525"
+checksum = "9f35bcdf61fd8e7be6caf75f429fdca8beb3ed76584befb503b1569faee373ed"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2327,9 +2460,9 @@ checksum = "260bc6647b3893a9a90668360803a15f96b85a5257b1c3a0c3daf6ae2496de42"
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.12"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
+checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
 
 [[package]]
 name = "unicode-normalization"
@@ -2712,9 +2845,9 @@ dependencies = [
 
 [[package]]
 name = "xml-rs"
-version = "0.8.21"
+version = "0.8.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "539a77ee7c0de333dcc6da69b177380a0b81e0dacfa4f7344c465a36871ee601"
+checksum = "af4e2e2f7cba5a093896c1e150fbfe177d1883e7448200efb81d40b9d339ef26"
 
 [[package]]
 name = "xmlwriter"
@@ -2722,6 +2855,16 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec7a2a501ed189703dba8b08142f057e887dfc4b2cc4db2d343ac6376ba3e0b9"
 
+[[package]]
+name = "yuv"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c028614bf7ce7a9cb9b07ea3b0f4705c303e27afc5b5fd2948766a5bd2cc66b0"
+dependencies = [
+ "num-traits",
+ "rgb",
+]
+
 [[package]]
 name = "zerocopy"
 version = "0.7.35"
diff --git a/Cargo.toml b/Cargo.toml
index d230c2e..3f30788 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,6 +21,7 @@ resvg="0.43"
 usvg="0.43"
 tiny-skia="0.11"
 image = { version="0.25" }
+avif-decode = "1.0"
 markdown = "0.3"
 colored = "2"
 zip = "2"
diff --git a/README.md b/README.md
index af70380..158a670 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,12 @@ ls *.svg | machmap -e avif
 ls *.svg | machmap -e pdf
 ```
 
+Convert avif files to png :
+
+```zsh
+ls *.avif | machmap -e png
+```
+
 Convert webp files to png, jpg and avif :
 
 ```zsh
diff --git a/house_source_avif.avif b/house_source_avif.avif
new file mode 100644
index 0000000..84757e0
Binary files /dev/null and b/house_source_avif.avif differ
diff --git a/src/bin/machmap.rs b/src/bin/machmap.rs
index cb86714..6a6dbc0 100644
--- a/src/bin/machmap.rs
+++ b/src/bin/machmap.rs
@@ -49,6 +49,7 @@ fn main() {
             process::exit(exitcode::DATAERR);
         }
 
+        println!("blue0");
         for _l in readlines() {
             if !Path::new(&_l).exists() {
                 colored_err!(format!("Input file \"{_l}\" doesn't exist"));
diff --git a/src/machmap/avif/mod.rs b/src/machmap/avif/mod.rs
new file mode 100644
index 0000000..579c2de
--- /dev/null
+++ b/src/machmap/avif/mod.rs
@@ -0,0 +1,19 @@
+use image::{ImageFormat, ImageReader};
+use colored::Colorize;
+
+use crate::machmap::{Error, HashMap, InputTo, AVIFInputFile};
+
+impl<'a> AVIFInputFile<'a> {
+    pub fn new(input_file: &'a str, output_file: &'a str) -> AVIFInputFile<'a> {
+        convert_img!(AvifToPng, "avif", "png");
+        let png = AvifToPng::new(input_file, output_file);
+
+        let mut map: HashMap<&'a str, Box<dyn InputTo<'a> + 'a>> = HashMap::new();
+        map.insert("image/png", Box::new(png));
+        AVIFInputFile {
+            input_file,
+            output_file,
+            map,
+        }
+    }
+}
diff --git a/src/machmap/macros.rs b/src/machmap/macros.rs
index 6047a5c..7c74e03 100644
--- a/src/machmap/macros.rs
+++ b/src/machmap/macros.rs
@@ -55,7 +55,29 @@ macro_rules! convert_img {
 
         impl<'a> InputTo<'a> for $struct_name<'a> {
             fn convert(&self) -> Result<String, Box<dyn Error + 'a>> {
-                let img = ImageReader::open(&self.input_file)?.decode()?;
+                println!("before open avif");
+                let dyn_img = ImageReader::open(&self.input_file)?;
+                let format = ImageFormat::from_path(&self.input_file);
+                if format == Some(Avif) {
+                    let data = std::fs::read(&self.input_file)?;
+                    let d = Decoder::from_avif(&data)?;
+                    let encoded = match d.to_image()? {
+                        Image::Rgb8(img) => {
+                            let (buf, width, height) = img.into_contiguous_buf();
+                            lodepng::encode_memory(&buf, width, height, lodepng::ColorType::RGB, 8)
+                        },
+                        _ => {}
+                    }?;
+                    std::fs::write(&eslf.output_file, encoded);
+                    Ok(format!(
+                        "convert {} to {} : {} -> {}",
+                        $input_name, $output_name, self.input_file, self.output_file,
+                    ))
+                }
+
+                println!("after open avif {:?}", ImageFormat::from_path(&self.input_file).ok());
+                let img = dyn_img.decode()?;
+                println!("after decode avif");
                 let format = ImageFormat::from_path(self.output_file)?;
                 if format == ImageFormat::Jpeg {
                     if img.color().has_alpha() {
diff --git a/src/machmap/mod.rs b/src/machmap/mod.rs
index 6238c76..ece8131 100644
--- a/src/machmap/mod.rs
+++ b/src/machmap/mod.rs
@@ -8,6 +8,7 @@ pub mod macros;
 
 pub mod jpg;
 pub mod png;
+pub mod avif;
 pub mod webp;
 
 pub mod markdown;
@@ -29,18 +30,22 @@ pub struct InputsFiles<'a> {
 
 impl<'a> InputsFiles<'a> {
     pub fn new(input_file: &'a str, output_file: &'a str) -> InputsFiles<'a> {
+        println!("yolo0");
         let mut map: HashMap<&'a str, Box<dyn IFile + 'a>> = HashMap::new();
         let svg = SVGInputFile::new(input_file, output_file);
         let jpg = JPGInputFile::new(input_file, output_file);
         let png = PNGInputFile::new(input_file, output_file);
+        let avif = AVIFInputFile::new(input_file, output_file);
         let webp = WebpInputFile::new(input_file, output_file);
         let markdown = MarkdownInputFile::new(input_file, output_file);
         let yaml = YamlInputFile::new(input_file, output_file);
         let json = JsonInputFile::new(input_file, output_file);
 
+        println!("yolo1");
         map.insert("image/svg+xml", Box::new(svg));
         map.insert("image/jpeg", Box::new(jpg));
         map.insert("image/png", Box::new(png));
+        map.insert("image/avif", Box::new(avif));
         map.insert("image/webp", Box::new(webp));
         map.insert("text/markdown", Box::new(markdown));
         map.insert("text/x-yaml", Box::new(yaml));
@@ -68,17 +73,25 @@ impl<'a> InputsFiles<'a> {
     }
 
     pub fn mime_map(&self) -> Result<String, Box<dyn Error + 'a>> {
+        println!("yolo2");
         let input_mime = mime_guess::from_path(self.input_file);
+        println!("{:?}", input_mime);
         let e = UnSupportedError {
             input_file: self.input_file,
             output_ext: self.output_file,
         };
         match &input_mime.first_raw() {
             Some(i_mime) => match self.map.get(i_mime) {
-                Some(val) => val.mime_map(),
+                Some(val) => {
+                    println!("ok boomer");
+                    val.mime_map()
+                },
                 None => Err(Box::new(e)),
             },
-            None => Err(Box::new(e)),
+            None => {
+                println!("yolo3");
+                Err(Box::new(e))
+            },
         }
     }
 }
@@ -90,6 +103,7 @@ trait InputTo<'a> {
 create_input!(SVGInputFile, InputTo);
 create_input!(JPGInputFile, InputTo);
 create_input!(PNGInputFile, InputTo);
+create_input!(AVIFInputFile, InputTo);
 create_input!(WebpInputFile, InputTo);
 create_input!(MarkdownInputFile, InputTo);
 create_input!(YamlInputFile, InputTo);
diff --git a/tests/datasets/house_source_avif.avif b/tests/datasets/house_source_avif.avif
new file mode 100644
index 0000000..84757e0
Binary files /dev/null and b/tests/datasets/house_source_avif.avif differ
diff --git a/tests/machmap.rs b/tests/machmap.rs
index cf05b72..c791346 100644
--- a/tests/machmap.rs
+++ b/tests/machmap.rs
@@ -147,6 +147,17 @@ fn webp_to_avif() {
     );
 }
 
+#[test]
+fn avif_to_png() {
+    assert_eq!(
+        "ded9ac7d150e74b53037a7c63e79e5dc11a71e3f",
+        get_hash_after(
+            "tests/datasets/house_source_avif.avif",
+            "tests/datasets/machmap/house_source_avif.png"
+        )
+    );
+}
+
 #[test]
 fn png_to_jpg() {
     assert_eq!(