MKV Extract Track

Pull a single audio, subtitle, or video track out of a Matroska container and save it as a standalone file. Uses mkvextract for speed and fidelity; no re-encoding.

When to use

• User wants to extract an audio track and save as standalone WAV/AAC/FLAC
• Extract subtitle track as SRT or ASS/SSA
• Pull an embedded font or attachment from an MKV
• Get a video stream without audio/subs as separate file

Inputs to gather

• File — path to source MKV (required)
• Track index — the track to extract (required; from mkv-track-list)
• Output path — where to save the extracted track (required; extension matters: .srt, .mka, .aac, .wav, .ass, etc.)

Procedure