WEBM Compressor
Pick a quality, keep what matters. Free, fast, no signup.
One file at a time for now
Batch processing isn't available yet: drop files one by one, or use the Merger to join them.
- Free, no signup
- No watermark, ever
- Files auto-delete in 1 hour
- Nothing to install
WEBM is video the way browsers like it: open, royalty-free and built to stream. A Matroska-based container restricted to VP8/VP9/AV1 video with Vorbis or Opus audio.
- Born
- 2010, Google, out of its VP8 acquisition
- Type
- video · container
- Typical size
- often smaller than the equivalent MP4: VP9 and AV1 squeeze harder than H.264
- Plays on
- Every modern browser; hit-and-miss in editing apps and on Apple hardware.
- Fun fact
- Google made WEBM royalty-free specifically so the web's <video> tag could work without patent fees.
What compressing WEBM actually does
Compressing WEBM means re-encoding the video inside with a modern codec at a quality you choose: low, medium or high. Camera footage typically gives up 30–70% of its size before quality visibly suffers, and screen recordings squeeze even harder. WEBM runs often smaller than the equivalent MP4: VP9 and AV1 squeeze harder than H.264, so there's usually plenty to give.
Questions people ask
How much smaller will my WEBM get?
It depends on how generously it was encoded: WEBM typically runs often smaller than the equivalent MP4: VP9 and AV1 squeeze harder than H.264, and most files give up 30–70% at the medium preset before quality visibly suffers.
Will I lose quality working with WEBM here?
Where possible Flippy copies streams without re-encoding; when a re-encode is unavoidable it happens once, at quality matched to your WEBM.
Is this WEBM compressor really free?
Yes: free for everyday use with no daily cap, no signup, and your files delete themselves from our servers within an hour. Pro exists for heavy days: bigger files, whole folders at once.