Convert MKV to MP4
MKV is a flexible container, but many phones, TVs and browsers won't play it. Convert MKV to MP4 for smooth playback on any device.
How to convert MKV to MP4
- Click the upload area and choose your MKV file (or several at once).
- Output is set to MP4 — choose a resolution and quality if needed.
- Press Convert and wait a moment while we create your MP4 file.
- Download your MP4 file — done!
Frequently asked questions
Why won't my MKV file play?
Many consumer devices don't support the MKV container. MP4 is supported almost universally.
Is the conversion lossless?
We re-encode to H.264 MP4; at High quality the result looks virtually identical.