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 Global Speed

Global Speed by POLYWOCK

4.7 Stars out of 5
5
206
4
13
3
6
2
2
1
8
Review by essjay
by essjay, 10 months ago
I use this add-on all the time - watching clips, listening to audiobooks or pdfs, etc