Recode Your Video To Match Telegram Video Sticker Spec

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  • -vf "scale='if(eq(a,1),512,if(gt(a,1),512,-2))':'if(eq(a,1),512,if(gt(a,1),-2,512))'": Helps to resize your video to match Telegram’s specification, one side must be exactly 512 pixels in size – the other side can be 512 pixels or less.
  • -c:v libvpx-vp9: VP9 encoding
  • -an: Remove Audio, since you’re making stickers, audios were useless
  • -crf 24 -b:v 0 -r 30: crf and b:v controls the quality and -r controls your video framerate, Telegram has a filesize limit at 256KB, so you might have to raise crf value depending on your original video quelity
ffmpeg -i video.mp4 -vf "scale='if(eq(a,1),512,if(gt(a,1),512,-2))':'if(eq(a,1),512,if(gt(a,1),-2,512))'" -c:v libvpx-vp9 -an -crf 24 -b:v 0 -r 30 video.webm