Online MKV Converter

Convert your video files for free

Drop files here. 100 MB maximum file size or Sign Up

Fast conversion

We perform all the actions on our servers, so nothing is slowing down your device.

Lots of output formats

Convertio provides more than 88 output formats for MKV videos.

Online tool

No need to download any program as the tool works right in your browser.

Any platform

Convert an MKV file from any device: Android, iPhone, Windows, Mac.

Full privacy

We do not store your uploaded files and delete the converter ones after 24 hours. Also, you can do it yourself by clicking on the X icon.

More settings

Adjust your video as you want: mirror, resize, rotate, choose codec, frame rate and much more.


Matroska Multimedia Container

MKV is an open source container that can contain media data compressed with a use of different codecs. It has a lot of advantages over the legacy AVI container: it can contain audio tracks and subtitles in different languages, that can be switched without stopping the playback, file seek and rewind are very fast. Also the format is easy to edit, that is why audio and video data can be extracted effortlessly.

How to convert mkv

Step 1

Open file

First of all choose a video you want to convert from your PC, Mac or mobile device. Also you can select it from Google Drive or Dropbox account, or simply drag and drop it to the web page.

Step 2

Convert the video

When your video is uploaded, select an output format for it among more than 37 video formats that are supported by the program. Then you can add more files to convert them together at once.

Step 3

Customize settings

Now you can click the gear icon and specify the desired codec, quality, aspect ratio and other settings that you find necessary. Apply them to all files if you want and click the Convert button to start the process.

Step 4

Save the file

When the conversion is complete, you can download the video to your computer. It is also possible to save it back to Google Drive or Dropbox.

Supported Conversions

Convert from MKV Conversions Rating
1 MKV to MP4 4.8 52,857 votes
2 MKV to MP3 4.8 13,505 votes
3 MKV to GIF 4.5 3,723 votes
4 MKV to AVI 4.8 1,747 votes
5 MKV to WMV 4.8 1,073 votes
6 MKV to MPEG 4.7 633 votes
7 MKV to WAV 4.8 569 votes
8 MKV to MOV 4.8 507 votes
9 MKV to MPG 4.7 306 votes
10 MKV to FLAC 4.8 178 votes
11 MKV to M4A 4.5 156 votes
12 MKV to 3GP 4.7 155 votes
13 MKV to DIVX 4.7 151 votes
14 MKV to WEBM 4.7 150 votes
15 MKV to WMA 4.8 109 votes
Convert to MKV Conversions Rating
1 MP4 to MKV 4.6 1,734 votes
2 WEBM to MKV 4.7 220 votes
3 AVI to MKV 4.7 147 votes
4 SWF to MKV 4.0 125 votes
5 WMV to MKV 4.6 102 votes
6 MOV to MKV 4.9 91 votes
7 TS to MKV 4.7 73 votes
8 GIF to MKV 4.9 68 votes
9 FLV to MKV 4.8 58 votes
10 MPG to MKV 4.5 46 votes
11 3GP to MKV 4.8 34 votes
12 RMVB to MKV 4.4 29 votes
13 MTS to MKV 4.8 26 votes
14 M4V to MKV 4.7 20 votes
15 VOB to MKV 4.5 11 votes

View All

MKV conversion quality rating

4.8 (79,723 votes)
You need to convert and download at least 1 file to provide feedback!