ToolocoTooloco

MP4 to WebM Converter

Convert MP4 video files to WebM format online. WebM is optimized for the web.

About this tool

Convert MP4 video files to WebM format online. WebM is optimized for the web. All processing happens directly in your browser — your files are never uploaded to any server, ensuring complete privacy.

  • ✅ Free to use, no sign-up required
  • ✅ Files never leave your device
  • ✅ Powered by WebAssembly — no plugins needed
  • ✅ Works on any browser and device