To use these add-ons, you'll need to download Firefox.

Log in
Add-on icon

Reviews for Enhancer for YouTube™

Enhancer for YouTube™ by Maxime RF

4.7 Stars out of 5
5
9,812
4
1,080
3
323
2
162
1
354
Review by Firefox user 14686161
by Firefox user 14686161, a month ago
When the aspect ratio of the video doesn't match the aspect ratio of the screen, the thumbnail is visible through the gaps in the fullscreen mode.