Listen to live radio stations from around the world!
Download YouTube videos in all available formats and extract the original audio files
a download manager with multi-threading support
Play YouTube™ Videos in Flash or HTML5 Player
Tons of features to improve your user experience on YouTube™.
瞬间过滤B站(bilibili.com)刷屏的相似弹幕，还你清爽的弹幕视频体验。 *a tweak for a Chinese website. Please ignore this add-on if you are not a user of bilibili.com.*
Adds Steam Database link across Steam Community and Store.
A new friend in every new tab.
Add a content menu Open with VLC on audio / video links. Links must contains file extensions (.mp4, .mkv, ...) Prerequisite : - VLC must be opened - HTTP web interface must be enabled (Settings > Interface > HTTP web interface)
Adds buttons to YouTube for faster converting/downloading videos. Faster MP3, MP4, AAC, M4A and AVI converting/downloading.
Prevents messages from scrolling away when viewing Twitch's chat log.
Automatically set the videos' quality on YouTube according to their FPS!