Online MKV Converter

Convert MKV to MP4, MOV, AVI, MP3, and other files free online.

Convert Your Video
convert mkv video online
mkv converter

How to Convert Video/Audio Files Free Online

Step 1. Upload files to online MKV converter by click the Choose Files button, drag and drop files or upload from Google Drive/Dropbox.

Step 2. Click on the drop down arrow next to the to option to choose the desired output format.

Step 3. Tap on the CONVERT button to start converting.

Step 4. Click the DOWNLOAD/DOWNLOAD ALL to download converted files.

Popular MKV Converters - Convert from/to MKV Files

Convert from MKV

Convert MKV files to any other video formats easily.

Convert to MKV

Convert any files to MKV free online.

Why Choose
Online UniConverter
to Convert Files

Watermark and Ads Free
Online UniConverter is a free online video & audio converter, which never adds watermarks or ads to the converted videos.
Support Multiple Formats
Online UniConverter supports a list of video/audio formats, including MP4, MOV, MKV, WAV, and Android/iPhone compatible formats.
Browser Compatible
Online UniConverter also works with Google Chrome, Safari, Firefox, and your smartphones without limitation.
High Quality Output
The converted files will keep the quality as higher as original, and you can download or save to Dropbox easily.
Privacy and Safety
We keep your information secure all the time. All uploaded files will be deleted from the server after 24 hours.
Easy to Use
We provide clear guide and steps for online conversions. It's easy to use for beginners.