Whenever the next video plays the sound goes back to low. Really annoying having to increase the level for each video, especially when the videos are really short like in the Udemy Learning course I'm doing

Works well for youtube, but doesn't work with spotify for some reason. Would be nice to be able to have preset values for different websites

good

Works great, each tab have their own volume control! Feature request: allow optional saving of volume settings based on site visited if possible.

Perfect

Life saver

Works great. Should be a permanent feature of Firefox (and Windows, for that matter)

Does not work properly. Keeps on going back to the default volume at 100% even when the volume is boosted.

Super

Have to keep turning it on...

Excelente, permite ajustar el volumen individualmente en cada pestaña.