Suggestions

• The w key will toggle the script in the current tab.
• Use Resize Video To Window Size for Crunchyroll, Vimeo, and a few other sites.

Screenshots

After loading the video webpage you will see:

It appears above the rest of the site, so you can scroll down for the description, related links, etc.

Changelog

https://github.com/Zren/ResizeYoutubePlayerToWindowSize/blob/master/changelog.md

127 - April 5, 2021

• Resize the video faster by styling the #player-wrap element.

126 - April 5, 2021

• Fix scrollbar not being hidden in Chrome.