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--- howto:convert-images [2025/05/19 18:23] – [lossless changing containers between webm/mov/mp4/mkv] Wulf Rajek
+++ howto:convert-images [2025/05/20 11:23] (current) – [lossy conversion of png to jpg] Wulf Rajek
@@ Line 32: / Line 32: @@
 <code>
 find . -iname '*.png' | while read i; do mogrify -format jpg "$i" && rm "$i"; echo "Converted $i to ${i%.*}.jpg"; done
+</code>
+===== png to ico =====
+To create favicon ico files, the following command creates multiple sizes and stores them in the ico file and keeps transparency. Adjust as required.:
+<code>
+convert logo.png -define icon:auto-resize=256,64,48,32,16 favicon.ico
 </code>
@@ Line 44: / Line 50: @@
 #find . -type f -iname '*.webm' -delete
-#lossless change container mkv, webm, mov -> mp4
+#lossless change container mkv, webm, mov, m4v -> mp4
-find . -type f \( -iname "*.mkv" -o -iname "*.webm -o -iname "*.mov\) | while read f; do
+find . -type f \( -iname "*.mkv" -o -iname "*.webm" -o -iname "*.mov" -o -iname "*.m4v" \) | while read f; do
     ffmpeg -i "$f" -codec copy "${f%.*}.mp4"
 done