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 Numex Volume Boost

Numex Volume Boost by Knackered

4 Stars out of 5
5
2
4
0
3
0
2
1
1
0
Response by Knackered

Developer response

posted 15 days ago
Can you give me some examples of sites that aren't having any audio, please?