Free Tool
Convert MKV
to MP4 for Free.
Upload your Matroska MKV file and get a high-quality MP4 in seconds. Files are processed in your browser, never uploaded.
Trusted by 5m+ people who would rather show than tell
Free Converter
MKV to MP4 Converter
Drag your file here or click to browse
Matroska MKV files, up to 2GB
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How It Works
Three steps to get started
01
Upload MKV File
Select a Matroska MKV file from your device, or drag it into the box above.
02
Automatic Conversion
The converter runs right in your browser — watch the progress bar as it works.
03
Download MP4
Download your new MP4 file instantly, or convert another one.
File Quality
Same video.
Universal format.
MKV is a flexible container, but phones, browsers, and most editors don't accept it. Converting to MP4 makes the same video playable everywhere.
- No quality loss during conversion
- Nothing installed, nothing uploaded
- Output plays in every major app
FAQ
Frequently Asked Questions
Yes, completely free. No account or credit card is required.
No. This tool runs entirely in your browser — your files are processed on your own device and never uploaded to a server.
Yes, though processing happens on your device, so very large files take longer on slower machines.
MP4 is one of the most widely supported formats — it works on iOS, Android, Windows, macOS, web browsers, and virtually every player and editor.
Start converting
for free today.
No account needed. Files never leave your browser.