To use these add-ons, you'll need to download Firefox.

Log in
Add-on icon

Reviews for 600% Sound Volume

600% Sound Volume by Aliaksandr

4.5 Stars out of 5
5
2,659
4
321
3
108
2
79
1
241
Review by caleb
by caleb, 2 years ago
Does exactly what I wanted, increases the volume of a tab, it would be nice if there was a way to save the volume setting for a page or domain.
3,408 reviews