MKV Converter
Convert MKV video files to MP4, WebM, MOV, AVI, FLV and WMV and 18 more formats — free, in batches, files up to 10 GB, with no sign-up and no watermark.
Drop your MKV file
Choose the format you need
Download the result
Choose file
or drag & drop — video files
Free · Unlimited · No sign-up · Max 10 GB
Your privacy is our mission. Most files are converted right in your browser and never leave your device. Only large files, or formats a browser cannot process, are sent to our server over an encrypted connection — they are never stored, never shared, and deleted as soon as your download is ready.
What Is an MKV File?
MKV is an open container that can hold any number of video, audio and subtitle tracks in almost any codec. It is the usual format of high-quality movie files and OBS recordings. MKV is a container rather than a compression method — container for almost any video, audio and subtitle format. What is inside decides the quality.
MKV Facts
| Full name | Matroska Video |
|---|---|
| File extension | .mkv |
| Type | Video |
| How it stores data | Container for almost any video, audio and subtitle format |
| Created by | Matroska project, 2002 |
| Best for | films with several audio tracks and subtitles, long recordings |
| Watch out | iPhones, many TVs, editors and upload sites refuse it |
| Opens with | VLC, MPC-HC, Plex, Kodi, most Android players |
How to Open an MKV File
A .mkv file opens with VLC, MPC-HC, Plex, Kodi, most Android players. If none of those is at hand — or the file has to go into a program, device or website that refuses MKV — convert it: MP4, WebM and MOV are the usual choices.
Convert MKV to Another Format
Convert Other Formats to MKV
MKV Compared
Frequently Asked Questions
What is an MKV file?
MKV is an open container that can hold any number of video, audio and subtitle tracks in almost any codec. It is the usual format of high-quality movie files and OBS recordings.
How do I open a .mkv file?
With VLC, MPC-HC, Plex, Kodi, most Android players. If your device or program does not accept it, convert the file to a format it does.
How do I convert an MKV file?
Drop the file into the converter on this page, choose the target format — MP4, WebM, MOV, AVI and FLV and others — and press Convert. It is free, there is no account and several files can be converted at once.
Is MKV lossy or lossless?
MKV is a container rather than a compression method — container for almost any video, audio and subtitle format. What is inside decides the quality.
What is MKV good for, and what are its limits?
Best for: films with several audio tracks and subtitles, long recordings. Watch out: iPhones, many TVs, editors and upload sites refuse it.
Is the MKV converter free, and how big can the files be?
It is free, with no account, no watermark and no daily limit. Files can be up to 10 GB each.
Which formats can be converted to MKV?
MP4, WebM, MOV, AVI, FLV, WMV, 3GP, TS, OGV and VOB.