ffmpeg

Universal media converter for audio/video transcoding, filtering, and format conversion.

$ ffmpeg -i input.mp4 -ss "00:01:00" -to "00:02:00" -c copy output.mp4

Input file (-i)Start time (-ss)End time (-to)Duration (-t)Output file

Stream copy (-c copy)Overwrite output (-y)

Examples

# Cut segment with re-encode
ffmpeg -i input.mp4 -ss 00:01:00 -to 00:02:30 output.mp4

# Cut with stream copy (fast)
ffmpeg -i input.mp4 -ss 00:00:30 -t 60 -c copy output.mp4

# Cut by duration
ffmpeg -i input.mp4 -ss 00:00:10 -t 30 -c copy output.mp4