To use Android extensions, you'll need Firefox for Android. To explore Firefox for desktop add-ons, please visit our desktop site.

Log in
Add-on icon

Reviews for YouTube High Definition

YouTube High Definition by Baris Derin

3.8 Stars out of 5
5
740
4
167
3
105
2
82
1
247
Review by Firefox user 5489333
by Firefox user 5489333, 3 months ago
Doesn't actually do anything to youtube videos.