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Convert MKV to MP4

Turn MKV files into MP4. Free, no sign-up, and your files never leave your device.

    How to convert MKV to MP4

    1. Click the box above or drag your MKV files into it.
    2. Each file is converted to MP4 automatically — you see the progress for every file.
    3. Click Download next to each result.

    About MKV and MP4

    MKV is a flexible container popular for films and series. Phones, TVs and editors often can’t play it.

    MP4 is the most widely supported video format — it plays on phones, TVs, browsers and social networks.

    Frequently asked questions

    How do I convert MKV to MP4?

    Drop your MKV files into the box above. Each one is converted to MP4 in your browser — then click Download.

    Are my files uploaded?

    No. FileCrafty converts files inside your browser, so they never leave your device.

    Which browsers are supported?

    Recent Chrome, Edge and Safari work best. Firefox works for most files.

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