Required: ffmpeg
Current version only needs mp4 and webm
$a = 'filename'
Invoke-Expression "ffmpeg -i $a.gif $a.mp4; ffmpeg -i $a.gif -c vp9 -b:v 0 -crf 41 $a.webm"pngtowebp,giftomp4,giftowebm,
$a = 'filename'
Invoke-Expression "cwebp $a.png -o $a.webp; ffmpeg -i $a.gif $a.mp4; ffmpeg -i $a.gif -c vp9 -b:v 0 -crf 41 $a.webm"