How to use the MKV to MP4 Converter

  1. 1Drop your MKV file onto the tool, or click to choose it.
  2. 2Click Convert and wait for the progress bar to finish.
  3. 3Preview the result.
  4. 4Download your MP4 file.

About this tool

MKV to MP4 conversion in your browser

This tool reads your MKV video directly in the browser and encodes a MP4 copy, so there is no upload, no queue and no waiting for a server. It works on desktop and mobile.

Why convert MKV to MP4?

MKV files are popular for downloads and screen captures, but many TVs, phones and editors will not play them. MP4 is the safest choice for compatibility.

Good to know

The browser must be able to decode the video inside the MKV. Common H.264 and VP9 files work; unusual codecs may not.

Frequently asked questions

The browser can only convert videos it can play. Rare codecs or multiple-audio MKV files may not be supported.

MKV is the flexible Matroska video container.

MP4 is the most compatible video format, playable on virtually every device and browser. Converting makes your file easier to open, share or publish.

Yes. There is no cost, no watermark and no sign-up.

No. The conversion runs inside your browser on your own device, so your files stay private.

More free tools

Video CompressorPopularMOV to MP4 ConverterWebM to MP4 ConverterM4V to MP4 Converter

Browse all free tools