If you want to rid an MP4 of "bloat" to save space, or FFmpeg are the best tools. They use the H.264 or H.265 codecs to reduce size while maintaining quality.
: find /your/path -name "*.mp4" -type f -delete 4. Ridding Videos of Specific Streams ridding_mp4
Sometimes you need to rid a file of just its or a specific subtitle track : Remove Audio : ffmpeg -i input.mp4 -an output.mp4 Remove Subtitles : ffmpeg -i input.mp4 -sn output.mp4 If you want to rid an MP4 of