WebM Converter
Convert video files to WebM format. An open, royalty-free format optimized for web playback with excellent compression.
Files are securely uploaded to our server for processing, then automatically deleted.
Drop files here or click to browse
MP4, AVI, MOV, MKV · Max 100MB · Up to 1 file
How to WebM Converter
1
Upload Video
Select the video file you want to convert to WebM format.
2
Convert to WebM
Video is re-encoded to WebM using VP9 or VP8 codec for efficient web streaming.
3
Download WebM
Download the WebM video, optimized for web embedding and HTML5 playback.
Frequently Asked Questions
What is WebM?
An open, royalty-free video format designed for web use, developed by Google.
Is WebM smaller than MP4?
Often yes. WebM with VP9 codec compresses better than MP4 H.264 at the same quality.
Do all browsers support WebM?
Most modern browsers do. Safari support is limited; provide MP4 fallback for best compatibility.
When should I use WebM?
For web videos on modern browsers. Use MP4 as a fallback for older browsers and mobile devices.