MKV Converter
Convert MKV files to and from other formats for free right in your browser - no uploads.
- Free Converter
- No Registration
- No Uploads
Add files
Drop files anywhere on the page or paste them with Ctrl+V / ⌘+V
Convert MKV to other formats
Convert other formats to MKV
What else you can do with MKV
About the MKV format
MKV (Matroska Video)
Matroska has been developed since 2002 as an open container. One MKV file can contain a film with several dubbings, subtitles and chapters, so the format is popular for movies and series.
Not every TV, phone or editor plays MKV. Converting to MP4 makes the video playable almost anywhere; when the codecs are compatible, tracks can be copied without re-encoding.
Best for films and series with several audio tracks and subtitles.
How to open MKV
- Windows
- The most reliable options are VLC or MPC-HC. The built-in player in Windows 10 and 11 opens MKV, but not with every codec inside.
- macOS
- QuickTime can't open MKV - you need VLC or IINA.
- Android
- VLC and MX Player play MKV together with its tracks and subtitles.
- iPhone
- The built-in player can't open MKV - use VLC or Infuse from the App Store.
- No software
- Convert MKV to MP4 right on this page - the file never leaves your device.
MKV specifications
| Property | MKV |
|---|---|
| File type | Video |
| Extensions | .mkv |
| MIME type | video/x-matroska, video/matroska |
| Conversion from this format | Yes |
| Conversion to this format | Yes |
| Quality setting | Yes |
How to convert MKV files?
Add MKV files
Drag and drop files onto the page or click the upload area. You can add several files at once.
Choose the format and settings
Pick the target format and, if needed, adjust quality, size and other options.
Download the result
Conversion runs right in your browser. Download files one by one or all at once as a ZIP archive.
Similar formats
Frequently asked questions
How do I convert MKV files?
Add MKV files above, choose the target format and settings, then download the result. Everything runs in your browser.
What can I convert MKV to?
For example, to MP4, MOV, MP3, WAV. All options are listed above.
Which formats can be converted to MKV?
For example, MP4, AVI. All options are listed above.