

HD Player is a very lightweight extension that forces YouTube's HTML5 and Flash players to play videos in full-HD or highest available quality. Exactly similar to what you can do from the gear icon beneath each player.
To list the list of FAQs please visit:
http://add0n.com/youtube-hd.html
To report a bug please submit a new bug report to:
https://github.com/james-fray/YouTube-HD/issues
--- My other YouTube tools ---
To list the list of FAQs please visit:
http://add0n.com/youtube-hd.html
To report a bug please submit a new bug report to:
https://github.com/james-fray/YouTube-HD/issues
--- My other YouTube tools ---