An add on for firefox with which we can control the speed, rewind , fastfoward, pause and play an html5 videos Currently the add-on is aimed at avid youtube viewers and anime fans. Hence the add on is currently works for youtube and 9anime.
Keys - Function ']' - Increase Speed by 0.1 '[' - Decrease Speed by 0.1 'o' - Pause video 'p' - Play video 'x' - Fast forward video by 10 sec 'z' - Rewind video by 10 sec