So far we’ve already transcoded videos that make up 99% of views on the site or nearly 30% of all videos into WebM.
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Given the massive size of our catalog - nearly 6 years of video is uploaded to YouTube every day - this is quite the undertaking. Transcoding all new video uploads into WebM is an important first step, and we’re also working to transcode our entire video catalog to WebM.
![what video format is best for youtube what video format is best for youtube](http://i1.ytimg.com/vi/p3pRHpIzO2c/maxresdefault.jpg)
As we work to transcode more videos into WebM, we hope to reduce the technical incompatibilities that prevent you from accessing video while improving the overall online video landscape. Its openness allows anyone to improve the format and its integrations, resulting in a better experience for you in the long-term. WebM is an open media file format for video and audio on the web. To that end, all new videos uploaded to YouTube are now transcoded into WebM. Despite these complexities, one of our key aims is to deliver great content to you wherever you are - regardless of device, browser or other technical specification, so you never have to remember that complicated “power adapter converter” to watch a video. Even more, certain web browsers that you use to view video online only accept certain ‘codecs’ - or programs used to encode, transmit and playback video files - and others require plug-ins (converters) to integrate the video file with the browser. Currently, there are countless devices used to record videos and hundreds of different video file formats.
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Think of video on the web in a similar way. Power adapters for cellphones and computers don’t always fit into local power outlets, meaning you have to pack converters. If you travel abroad frequently, you know that charging your electronic devices is not always an easy task.