MKV to MP4 Converter

Many TVs, phones and editors don't open MKV, but play MP4. This free MKV to MP4 converter runs entirely in your browser, so your files are never uploaded.

MKV (Matroska) is a flexible open container, popular for screen recordings and downloads. MP4 is the most widely supported video container.

How to convert MKV to MP4: Choose your MKV files, or drop them onto the converter. The output is already set to MP4. Adjust quality or size if you like. Convert and download your MP4 files.

Is this MKV to MP4 converter free? Yes. It's free to use, with no sign-up and no watermark.

Are my files uploaded? No. The conversion runs in your browser, so your files never leave your device.

What changes when I convert MKV to MP4? Video is re-encoded by default. Optional Fast mode can copy compatible H.264 video without compression.

Can I convert several MKV files at once? Yes. Add as many files as you like and they're converted one after another.

• MOV to MP4
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• WMV to MP4
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