ytp-rotate - YouTube Video Rotator UserScript
Features
- Rotate the video player view
- Flip video horizontally
- Flip video vertically
- Toggle fullscreen fill mode
- Toggle picture-in-picture mode
Usage
Shortcut Buttons
Two shortcut buttons are added to the right side of the player controls:
- Rotate Video button: Click to rotate the video clockwise by 0 degrees
- Fill Screen button: Click to toggle fullscreen fill mode

Red box shows script additions
Right Click Menu
Right click on the video player to see added options:
- Toggle Script: Turn the script on/off to avoid conflicts with other scripts
- Rotate 90°: Show/toggle rotation angle
- Fill Screen: Show/toggle fullscreen fill mode
- Flip Horizontal: Show/toggle horizontal flip
- Flip Vertical: Show/toggle vertical flip
- Picture-in-Picture: Show/toggle picture-in-picture mode

Red box shows script additions
Issues
CHANGELOG
here
License
MIT