YouTube's < & > only go so far, let's have them go to infinity.
YouTube's player allows fast forwarding (with the > key) only up to 2x. This extension allows you to ff to infinity in 0.5x increments. Code is open sourced at https://github.com/fenollp/faster-playback-on-youtube
- (2021-04-27) Pierre Fenoll: Does the job well!