Convert MKV to MP4
MKV is the open Matroska container, common for downloads and high-quality rips. It holds almost any codec, which is exactly why it will not play on a phone, in PowerPoint or on most upload forms. This re-encodes the video to H.264 in an MP4, which plays on effectively everything, and keeps the audio.
Also known as: MKV to MP4 converter · Matroska to MP4 · MKV video to MP4
Encrypted upload · deleted right after conversion
Your files are deleted automatically
Uploads are removed as soon as processing finishes, and converted files are deleted after 1 hour. Read our privacy policy.
How to convert MKV to MP4
Step 1
1. Add your MKV file
Drag your MKV file into the box, or choose it from your device. It can be up to 95 MB.
Step 2
2. Choose your settings
Adjust Video quality (Balanced), or keep the starting values in brackets, which suit most files. More are under Advanced options.
Step 3
3. Press Convert to MP4
The work happens on our servers, and you can follow its progress. Long recordings take longer.
Step 4
4. Download your MP4 file
Your upload is already deleted, and the result is deleted after one hour.
Why convert MKV to MP4?
- Playing a downloaded MKV on a phone or tablet that refuses it
- Adding video to a slide deck that only takes MP4
- Uploading footage to a platform that rejects MKV
- Standardising a mixed video library on MP4
MKV vs MP4
| Property | MKV | MP4 |
|---|---|---|
| Container | MKV (Matroska) | MP4 |
| Plays on | Desktop players like VLC | Virtually every device, browser and platform |
| Video | Various codecs | H.264, playable everywhere |
| Audio | Kept | Re-encoded as AAC, kept in sync |
Frequently asked questions
Page updated