Mkvmerge [new] Jun 2026
Launch it with mkvtoolnix-gui after installing MKVToolNix.
: Because it does not re-encode the video or audio, the process is extremely fast (limited only by disk speed) and preserves 100% of the original visual and auditory data. mkvmerge
: mkvmerge -o output.mkv --language 0:eng --track-name 0:"Director's Cut" video.mp4 The MKVToolNix Ecosystem Launch it with mkvtoolnix-gui after installing MKVToolNix
(Keeps only tracks 1 & 2, drops subtitles) mkvmerge



