(Invoking related search suggestions now.)
Flag break down: si=0 selects the first subtitle track.
| Goal | Command Snippet | | :--- | :--- | | MKV to MP4 (fast) | ffmpeg -i input.mkv -c copy output.mp4 | | Compress for phone | ffmpeg -i input.mkv -c:v libx264 -crf 23 output.mp4 | | Fix audio sync | ffmpeg -i input.mkv -itsoffset 0.5 -i input.mkv -c copy | | Extract audio as MP3 | ffmpeg -i input.mkv -vn -acodec mp3 audio.mp3 |