Units Converter

MP4 to MKV converter

On your device

Convert MP4 to MKV in your browser. Add your files, adjust the available settings, and download MKV files. No file upload or account required.

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Format notes

Media conversions depend on your browser’s codecs and the tracks inside the file. Available outputs are checked after you add a file.

MKV to MP4MP4 to multiple formatsBatch to MKV

Convert MP4 to

All outputs
MP4 to 3G2MP4 to 3GPMP4 to AACMP4 to AC3MP4 to AIFMP4 to AIFCMP4 to AIFFMP4 to ALAC

How to convert MP4 to MKV

  1. Choose your MP4 files.
  2. Keep MKV selected. Open Settings to adjust available options.
  3. Select Convert, then download the result or a ZIP of completed files.