How to WebM to MP4 Online

  1. 1

    Upload WebM

    Drag and drop your WebM 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 WebM to MP4?

  • Re-encodes to H.264 + AAC 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 WebM to MP4?

MP4/H.264 plays on virtually every device and platform, while WebM support is more limited.

Can I downscale to save space?

Yes, pick a lower resolution and quality preset to shrink the file.