Watch videos on YouTube fullscreen within your browsers screen.
A simple and lightweight extension that adds an icon which allows the YouTube video player to fill the entire page, as a full browser player. This is especially useful for dual monitor users that may wish to continue working on other tasks with a large video playing.
In other words make your youtube fullscreen in your window!
More features added soon!
-Twitch like theater mode
Update: Now works with the new youtube layout!