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
725
4
162
3
105
2
79
1
233
Review by Firefox user 14172251
by Firefox user 14172251, 6 years ago
instsll adware, spyware, stealing password and personal data. Just a peace of shiiiit!