Aby toś te dodanki wužywał, musyśo Firefox ześěgnuś.

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Dodankowy symbol

Pógódnośenja za Volume Control [Boost volume]

Volume Control [Boost volume] wót Chaython

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Pógódnośenja wót Wužywaŕ Firefox 10700314
wót Wužywaŕ Firefox 10700314, 3 jierren lyn
Not only did it not boost the volume, it completely removed it. No matter where I slid it, up or down, it completely obliterated my laptop volume so I could hear nothing.

Wótegrono wuwijarja

jo se napisał 2 jierren lyn
Do you recall what site you were on? Yes it specifies it only works with HTML audio, this is to require less permissions.