fyi:

  • https://github.com/yt-dlp/yt-dlp lets you download videos (from youtube and also hundreds of other sites)
  • for desktop, https://mpv.io/ is free and lets you watch youtube (or any other video) at even more and faster speeds than youtube premium does, among many other features
  • for android, https://newpipe.net/ lets you play youtube in the background (and download videos, and block ads, ...)
  • https://ublockorigin.com/ blocks ads everywhere (and yes it does still work on youtube, at least in firefox anyway)
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[–] 2 points 8 months ago (1 child)

Open console (F12 and select console tab) in desktop browser and run:

document.querySelector('video').playbackRate = 4;
  • source
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