Lets you fix annoying sound problems in YouTube videos and such. Like audio in one channel only, too quiet or too loud. (Unfortunately, doesn't work on many other websites because of cross-domain issues — but it does work on YouTube.com!)
YouTube with more freedom
Speed up, slow down, advance and rewind any HTML5 video with quick shortcuts.
Tons of features to improve your user experience on YouTube™.
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube™ and Beyond. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, Hulu, Metacafe, YouKu, etc.
YouTube with more freedom.
Simply focus on the video with theater mode add-on
Allows you to add any video to the list of "to watch" in easy way. Watch Later allows you to save title, link to the video and time when you stopped watching video. Supports autofill data for YouTube.
Do you need to extract text from images, videos or PDF? If yes, then the Copyfish free OCR software is for you. Until now, your only option was to retype the text. Copyfish is soooo much faster and more fun.
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.