How to MKV to MP4 Online

  1. 1

    Upload MKV

    Drag and drop your MKV video into the converter.

  2. 2

    Convert to MP4

    Click Convert. Your video is re-encoded as H.264 MP4.

  3. 3

    Download MP4

    Download your universally compatible MP4.

Why Use FileSwitch for MKV to MP4?

  • Re-encodes Matroska to H.264 MP4
  • Quality presets: low, medium, high
  • Resolution scaling up to 4K
  • Frame rate control up to 60 fps
  • Fast-start for instant streaming

Frequently Asked Questions

Why convert MKV to MP4?

MKV is great for archiving but often won't play on TVs, phones, or social platforms; MP4 is the universal container.

Are subtitles kept?

Subtitles are burned into the picture during re-encoding, so they appear in the MP4.