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 Substital

Substital by Gaëtan Covelli

4.3 Stars out of 5
5
76
4
15
3
8
2
0
1
13
Review by vivu68
by vivu68, 7 years ago
It is true it runs on any video on the web. It is easy to use and has all the features it promises.