javascript:(function() { (document.querySelector('video') || document.querySelector('audio')).playbackRate = (+prompt('How many times normal speed?') || 1); })();
I use an extension that lets me quickly jump to bookmarks and have a bunch of yt speed bookmarklets (named 1.25x, 1x, 2x etc) and it is so nice to quickly change playback speed with the keyboard
Speed up video/audio on youtube
Bypass paywall