WebM to MP4 Converter
Convert WebM video files to MP4 format online for universal device compatibility.
About this tool
Convert WebM video files to MP4 format online for universal device compatibility. 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