600% Sound Volume by Aliaksandr

4.5 Stars out of 5

2,648

320

107

241

3,395 reviews

Rated 4 out of 5
by Firefox user 14639952, 5 years ago
Really good add-on works perfectly, although would be nice to have an option to have permanent sound boost for all tabs.
Rated 4 out of 5
by Himel, 5 years ago
Rated 5 out of 5
by KD, 5 years ago
Rated 5 out of 5
by Firefox user 16124353, 5 years ago
Good job
Rated 5 out of 5
by Firefox user 15014145, 5 years ago
Rated 4 out of 5
by Firefox user 16240206, 5 years ago
Rated 5 out of 5
by Sohaib, 5 years ago
Rated 5 out of 5
by Firefox user 14428941, 5 years ago
Rated 5 out of 5
by ibrahim, 5 years ago
very usefull
Rated 5 out of 5
by Shubham Nirbhay, 5 years ago
Rated 5 out of 5
by Ninoshka, 5 years ago
Rated 5 out of 5
by Aditya, 5 years ago
Rated 5 out of 5
by MalumInSe, 5 years ago
great
Rated 5 out of 5
by Firefox user 15003061, 5 years ago
Rated 5 out of 5
by Blackcraft, 5 years ago
perfect
Rated 5 out of 5
by Firefox user 15124846, 5 years ago
Works perfectly with absolutely no issues
Rated 5 out of 5
by Rishaan Kotian ¯\_(ツ)_/¯, 5 years ago
Rated 5 out of 5
by syahren, 5 years ago
work perfectly , if you can add permanent setting for all tab that would be great thank you
Rated 4 out of 5
by Firefox user 16239992, 5 years ago
Rated 5 out of 5
by Firefox user 16332815, 5 years ago
Rated 5 out of 5
by Ahmet Sinan YARALI, 5 years ago
Rated 4 out of 5
by Firefox user 16329617, 5 years ago
Rated 4 out of 5
by Firefox user 12540330, 5 years ago
Excellent app. I wish it would remember my settings for each webpage and allow me to speed up videos.
Rated 4 out of 5
by Firefox user 16322274, 5 years ago
good boosting of volume but volume starts cracking after 450%
Rated 5 out of 5
by Firefox user 16323903, 5 years ago