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WebM is an open, royalty-free, media file format designed for the web. Dedicated to developing a high-quality, open video format for the web that is freely available to everyone. A key factor in the web's success is that its core technologies such as HTML, HTTP, and TCP/IP are open and freely implementable. WebM was built for the web. By testing hundreds of thousands of videos with widely varying characteristics, we found that the VP8 video codec delivers high-quality video while efficiently adapting to varying processing and bandwidth conditions across a broad range of devices. VP8's highly efficient bandwidth usage and lower storage requirements can help publishers recognize immediate cost savings. Also, the relative simplicity of VP8 makes it easy to integrate into existing environments and requires comparatively little manual tuning in the encoder to produce high-quality results. There are free and commercial tools available for creating and publishing content in the WebM format.

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