FileTranslator › MKV to MP4
Convert MKV to MP4
MKV is a favorite container for high-quality video, but smart TVs, iPhones, iPads and editing apps frequently refuse it.
Drop MKV files here
or
Output is pre-set to MP4 — you can change it per file after adding.
About MKV to MP4 conversion
The video is rewritten as a standard MP4 that plays virtually everywhere. Everything happens on your own machine — there is no upload, no queue and no file size cap.
Good to know: Re-encoding happens in your browser and is not instant — expect a few minutes per video minute. Keep the tab open while it works.
How to convert MKV to MP4
- Drop your MKV file onto the box above, or click Choose files.
- The output format is already set to MP4 — adjust it per file if you need something else.
- Click Convert, then download your MP4 file.
Free, no account, no watermarks — and because the conversion runs in your browser, your files are never uploaded to a server.
MKV to MP4 — frequently asked questions
How do I convert MKV to MP4?
Drop your MKV file onto the converter above (or click Choose files), make sure the output format is set to MP4 — it is preselected on this page — then click Convert and download the result.
Is this MKV to MP4 converter free?
Yes. Converting MKV to MP4 on FileTranslator is completely free, with no account, no file limit and no watermarks. The site is supported by ads instead of fees.
Are my MKV files uploaded to a server?
No. The conversion from MKV to MP4 runs entirely in your browser using WebAssembly and JavaScript — your files never leave your device, which makes it safe for private documents and photos.
What should I know before converting MKV to MP4?
Re-encoding happens in your browser and is not instant — expect a few minutes per video minute. Keep the tab open while it works.