Free MP4 to WEBM Converter Online

Convert MP4 to WebM online for free. Optimize videos for web with VP9 compression.

How to Convert MP4 to WEBM

  1. Upload your MP4 file by clicking "Choose File" or dragging and dropping
  2. Click "Convert" to start the free MP4 to WEBM conversion
  3. Download your converted WEBM file instantly — no email required

All conversion happens in your browser. Your files never leave your device, ensuring 100% privacy and security.