mkvmerge

Merge and extract multimedia streams.

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• Display information about a Matroska file:

mkvmerge --identify {path/to/file.mkv}

• Extract the audio from track 1 of a specific file:

mkvextract tracks {path/to/file.mkv} {1}:{path/to/output.webm}

• Extract the subtitle from track 3 of a specific file:

mkvextract tracks {path/to/file.mkv} {3}:{path/to/subs.srt}

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