Windowed - floating Youtube/every website
Changes fullscreen buttons to go into a popup. Works for every website that uses fullscreen, including Youtube, Vimeo, Netflix
Unblocker for YouTube
Free Unblocker for YouTube. This extension lets you unblock and watch YouTube if it’s blocked by your ISP or network administrator.
PotPlayer YouTube Shortcut, Open Links
Quickly play or add a YouTube video (playlist), Twitch to PotPlayer using buttons on a page, also via context menu and middle-click
Tweaks for YouTube
Seek, control volume, speed, and more with mouse and 'key'board. Adjust player controls, progress bar, UI elements, process audio...