What is WebM?

WebM is an open, royalty-free media container designed for the web, built on the Matroska structure and pairing VP8/VP9 or AV1 video with Vorbis or Opus audio.

3 tools that work with WebM

Files never leave your browser.

Audio & Video Tools1

Video ConverterConvert video between MP4, WebM and MKV entirely in your browser.

Browser & Device2

Screen RecorderRecord your screen, a window or a browser tab with optional audio, straight from this page.Voice RecorderRecord voice notes or audio from your microphone and download the file. No account, no upload.

Related terms

Terms that appear alongside WebM on the same tools.

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