🔒 Converts in your browser · files stay private

Convert MKV to MP4

Drop your MKV file into the box above (or click Choose Files), then click Convert and download your new MP4 file. No account or software needed.

Convert MKV to MP4 online, free — no installation, no sign-up.

or drop files here to convert MKV → MP4

Or import from:

Max file size 1 GB. Browser-side conversions have no upload limit.

How to convert MKV to MP4

Drop your MKV file above or click Choose Files.

Your file is converted instantly in your browser — it never gets uploaded.

Grab your new MP4 file — done.

MKV (Matroska) is a flexible open container that can hold unlimited video, audio and subtitle tracks.

MP4 is the most widely supported video container, playable virtually everywhere.

Drop your MKV file into the box above (or click Choose Files), then click Convert and download your new MP4 file. No account or software needed.

Yes — this converter is completely free with no watermarks and no sign-up.

Absolutely. This conversion runs entirely inside your browser, so your MKV file never leaves your device.

You control the output. Use the advanced options (the gear icon) to set quality, and we preserve as much fidelity as the MP4 format allows.