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YouTube ALL HTML5 3.1.1
by Klemens Schölhorn
Play all videos on YouTube with your preferred settings (size, quality, playback rate, …) without cookies using only HTML5.
This add-on is not compatible with your version of Firefox because of the following:
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About this Add-on
With this add-on you can play all videos on YouTube with your preferred settings (size, quality, playback rate, …) without cookies using only HTML5.
Features
Firefox HTML5 video support
You need a current version of Firefox with support for MSE and VP9 or H264. You may have to install ffmpeg on Linux. Without MSE, only 360p and 720p videos are available.
YouTube provides a test site that checks support for the various pieces necessary. If some element is missing, check the following Firefox settings:
Features
- Automatically change the size of the player and the resolution of the video
- Force HTML5 in cases when YouTube still defaults to Flash
- Start videos paused (always, when not in a playlist, when in a background tab)
- Open video links without the attached playlist (context menu entry)
- Features for users that don't keep cookies:
- Automatically set volume and playback rate
- Disable autoplay of recommended videos
- Hide video annotations
Firefox HTML5 video support
You need a current version of Firefox with support for MSE and VP9 or H264. You may have to install ffmpeg on Linux. Without MSE, only 360p and 720p videos are available.
YouTube provides a test site that checks support for the various pieces necessary. If some element is missing, check the following Firefox settings:
- media.mediasource.enabled
- media.mediasource.webm.enabled
- media.mediasource.mp4.enabled
