Volume Booster (up to 500%)
Boost audio/video volume above 100% (up to 500%) on any website. Per-site on/off switch and per-site level are remembered. New sites default to 200%.
2 Users
Boost audio/video volume above 100% (up to 500%) on any website. Per-site on/off switch and per-site level are remembered. New sites default to 200%.