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Commands that i used to optimize my Images

AV1F
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  • First Install avifenc

i don’t know about other distros but on Void xbps-install libavif

avifenc -j 2 -d 10 -y 422 --min 24 --max 24 --minalpha 24 --maxalpha 24 input.img output.avif

Note
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  • increase number of theards to speed up the process -j 4

WEBP
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  • install imagemagick
  • For lossless
magick mogrify -format webp -quality 50 -define webp:lossless=true input.png output.webp
  • lossy compression
magick mogrify -format webp -quality 82 input.png output.webp

JPEG
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i just dont use jpeg images but here is a command found in the web

magick mogrify -format jpeg -sampling-factor 4:2:0 -strip -quality 80 -interlace JPEG -colorspace sRGB *.jpeg *.jpg

Never used this command doesnt know this works