diff --git a/sha256m4a.sh b/sha256m4a.sh
new file mode 100755
index 0000000..4e08d63
--- /dev/null
+++ b/sha256m4a.sh
@@ -0,0 +1,3 @@
+#!/bin/sh
+find . -type f -iname "*.m4a" -exec sh -c "ffmpeg -i \"{}\" -map_metadata -1 -c copy -f adts pipe:1 | sha256sum -b" \; -print 2>/dev/null | sed 'N;s/\*-\n//g'
+