diff --git a/.config/fish/functions/optiflac.fish b/.config/fish/functions/optiflac.fish
new file mode 100644
index 0000000..a05d383
--- /dev/null
+++ b/.config/fish/functions/optiflac.fish
@@ -0,0 +1,15 @@
+# Defined in /tmp/fish.YGBcMf/optiflac.fish @ line 2
+function optiflac
+    mkdir out
+    for i in *.flac
+        ffmpeg -i $i -c:v copy -c:a flac -compression_level 12 -af aformat=s16:44100 out/$i
+    end
+    cd out
+    for i in (ff -e flac)
+        if test (du $i | cut -f1) -lt (du ../$i | cut -f1)
+            echo $i
+            mv $i ../$i
+        end
+    end
+    cd ..
+end