FFmpeg

Compress video with FFmpeg

Use ffmpeg (FFmpeg's CLI tool) to compress video files.

Best compression: "AV1":

ffmpeg -i input.mp4 -c:v libaom-av1 -crf 30 -b:v 0 output.mkv

Good compression, wider support: "H.264":

ffmpeg -i input.mp4 -c:v libx264 -crf 23 output.mp4