MP4
MKV to MP4
Convert MKV videos to MP4. It’s free, works in your browser, and your files are never uploaded.
How to use MKV to MP4
- Add your file by dragging it in or choosing it.
- Choose your options.
- Click “Convert” and download the result.
Why use MKV to MP4 on Free File Converter Fox
- Private. Files are processed on your device and never uploaded.
- Free. No account, watermark or daily limit.
- Fast. No upload or download wait, since everything runs locally.
Frequently asked questions
Is MKV to MP4 free?
Yes. MKV to MP4 on Free File Converter Fox is free, with no sign-up, watermark or daily limit.
Is my file uploaded to a server?
No. MKV to MP4 runs entirely in your browser, so your files stay on your device and are never sent to us.
What’s the difference between MKV and MP4?
MKV is a flexible container often used for high-quality video. MP4 (H.264) is the most widely supported video format.
What should I do if MKV to MP4 fails?
Try a smaller file, reload the page, or use a current version of Chrome, Edge, Firefox or Safari. Very large files can run out of memory, especially on phones.
Can I process several files at once?
Yes. Add multiple files, then download each result or all of them together as a ZIP.