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WEBM

WebM Video

WebM is an open-source media file format designed for the web, providing high-quality video compression with efficient playback.

Open a WEBM file online

Drop a .webm file to see what is inside — no program to install. The file is read on our server and deleted as soon as the answer is ready.

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What is WebM Video?

Developed by Google, the WebM format is based on a subset of the Matroska container. It utilizes VP8 or VP9 video codecs and Vorbis or Opus audio codecs. It was created as a royalty-free alternative to proprietary formats like MP4, making it highly compatible with modern web browsers and HTML5 video players.

Advantages

  • Royalty-free and open-source
  • High compression efficiency
  • Excellent support for web streaming
  • Low latency playback

Limitations

  • Limited support in older software
  • Not natively supported by some hardware players
  • Cannot be played on Apple QuickTime without plugins

How to open WebM Video files

Google Chrome Mozilla Firefox VLC Media Player Microsoft Edge Opera

Common use cases

  • Embedding videos on websites
  • Creating web-optimized animations
  • Live streaming applications
  • Reducing file size for online storage

Explore other formats

Frequently asked questions

WebM is often more efficient for web streaming and is royalty-free, while MP4 offers better compatibility with hardware devices and legacy software.
Yes, ConvertX supports various conversions including webm-to-mp4, webm-to-gif, webm-to-avi, and more.
Yes, WebM supports alpha channel transparency, making it ideal for web animations and overlays.