MKV Converter
Convert MKV files to and from other formats right in your browser. Free, private and with no upload.
Drag and drop your files here
or click to browse local files (large files supported, limited only by browser RAM)
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What is a MKV file?
.mkv (Matroska Video) is a flexible, open-standard video container format that can hold unlimited video, audio, picture, or subtitle tracks.
| Feature | MKV (Matroska Video) |
|---|---|
| Codecs used by PureConverter | H.264 video and AAC audio |
| Best for | movies with several audio and subtitle tracks |
| Opens in | VLC, mpv and most media players, Plex and most smart TVs |
MKV is a video format.
Convert MKV to other formats (23)
Convert other formats to MKV (11)
Why convert here
- Your files never leave your device: conversion runs locally with WebAssembly.
- No sign-up, no watermark and no file size limit beyond your browser's memory.
- Batch conversion with parallel workers, plus quality, size and codec settings.
Looking for something else? Browse the full converter directory.