Convert MP4 to MKV Online
MP4 plays almost everywhere, but some devices and programs need MKV. Upload your MP4 videos, click "Convert" and download them as MKV. MKV (Matroska) is a flexible open container that media players, media centres like Kodi and Plex, and many TVs play well.
The video is encoded with H.264 and the sound with AAC, with the original resolution. Files are deleted from our server automatically after 48 hours.
Why Use This MP4 to MKV Converter?
- An MKV for media players and Plex
- Several files at once, up to 1 GB each
- Encrypted connection, files deleted after 48 hours
- Free, no registration, no watermark
How to Convert MP4 to MKV
- Select or drag your MP4 videos into the upload area
- Check the list of files; you can add more or remove some
- Click "Convert" and download the MKV files
Frequently Asked Questions
Is this MP4 to MKV converter free?
Yes, it is completely free, with no registration and no watermark.
What is an MP4 file?
MP4 is the most common video format: every phone, computer, TV and website plays it.
Why convert MP4 to MKV?
MKV (Matroska) is a flexible open container that media players, media centres like Kodi and Plex, and many TVs play well.
Are my files safe?
Files are sent over an encrypted connection and deleted from our server automatically after 48 hours; you can delete them earlier in "Your files".