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Trusted file extension guides and opening help from the original project since 2008.

How to open .MKV files on Linux

To open .MKV files on Linux, open with vlc or mpv..

Step-by-step instructions

  1. Open with VLC or mpv.
  2. Use mkvinfo/mkvmerge tools for stream inspection and remuxing.

Recommended software

  • VLC
  • mpv
  • Default media player

Alternative methods

  • Open .MKV in a browser-based viewer if desktop apps fail.
  • Try opening .MKV on Linux with a secondary app to rule out app-specific issues.
  • Convert .MKV only with trusted tools when direct opening is not possible.

Common issues

Subtitles are missing

The player may not auto-select subtitle tracks.

  1. Open subtitle settings in the player.
  2. Choose the correct embedded subtitle track.
  3. Remux file to set default subtitle track.

Security note

Avoid untrusted codec packs.

Back to .MKV extension page