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Video Speed Controller is one, works on HTML5 Video (including YouTube, but not limited to it). For FireFox: https://github.com/codebicycle/videospeed https://
by jodrellblank 6y ago
Video Speed Controller is one, works on HTML5 Video (including YouTube, but not limited to it).
For FireFox: https://github.com/codebicycle/videospeed https://github.com/codebicycle/videospeed
I think, forked from Chrome: https://github.com/igrigorik/videospeed https://github.com/igrigorik/videospeed