VideoPepper · 100% browser-based
MP4 to WebM
Convert MP4 to WebM for modern web delivery. Free VideoPepper tool.
Drop your file here
or click to browse — drag & drop supported
FFmpeg in your browser · files never leave your device
Progress
0%
Preparing…
First run downloads the FFmpeg engine once (~30 MB), then caches it.
Conversion Complete!
Your file is ready to download
Processed on VideoPepper — entirely in your browser
Why VideoPepper?
- Real FFmpeg WebAssembly — professional-grade conversion
- No uploads: your video and audio stay on your device
- Free, no signup, no watermark
Need PDF tools? Visit sister brand PDFPepper.