MKV file format

Matroska Video

MKV is an open video format that can store several audio and subtitle tracks in one file. It is common for movie and TV rips but has weak support on Apple devices.

Convert MKV to MP4

Where MKV files open

iPhone

No built-in playback, you need an app such as VLC.

No

Windows 11

Plays in the built-in Media Player app.

Yes

Smart TV

Many TVs play MKV from a USB stick, support differs by model.

Partly

Convert MKV to

45 formats

Video

Audio

Image

Convert to MKV

29 formats

Video

Other video formats