Compress WebM videos using VP9 encoding directly in your browser. No uploads. No server. 100% private.
Drag & Drop Videos
MP4 · MOV · WebM · Up to 20 files · No size limit
1.2 TB
Bandwidth Saved Today
0.4s
Avg Process Time
99.9%
Compression Fidelity
Auto-purge after 60m. Zero logs. Fully encrypted processing.
Advanced alpha-channel preservation for UI designers.
Jump straight into processing without the sign-up friction.
Knowledge Base
WebM is an open-source video format developed by Google, designed for web use. It uses VP8 or VP9 video codecs and is natively supported in all modern browsers.
Even though WebM is efficient, compressing further reduces bandwidth for streaming, storage costs, and improves load times on video-heavy web pages.
Yes. After compression use our WebM to MP4 converter to change the format for broader device compatibility.
Completely free, unlimited, no signup required. Processing uses FFmpeg.wasm running in your browser so no files are ever uploaded.