Does the job!

excellent!!!

very good for loud site

Excellent addon

Excellent addon, one of my top 2 addons I use constantly. I can't give 5 stars because of an issue, where if a page has more than 1 embedded video, the addon does not migrate the custom volume to the next video.
Say I set video 1 at 440%, when I open video 2, volume is still set at 440% in addon, but at the volume of 100% through speakers. I have to reset addon to 100%, then back up to 440% for each video.

This add-on worked once and has since stopped working.

it worked right after i installed it on the latest firefox on win64bit '7' .

It doesn't work reliably for me, which is disappointing because it looks like it does for everyone else =( In sites like Twitter and WhatsApp, which don't constantly play sound but do sometimes, I have to set the volume back to 100% and then up to whatever level I want whenever I haven't played a sound in a while. This is without closing the tab or navigating away, and with the icon still showing the higher volume :(

Hey Aliaksandr
I no hear sound with this ext example this is https://www.thefreedictionary.com/work+out
V78.9.0esr

I give error below
https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS/Errors/CORSMissingAllowOrigin

Works fine.. good extension

Great!!

I have issues with hypnotube.com, even without touching the volume addon, the first video when opening the browser works, then it breaks up. Deactivating this plugin solved.

Perfect... using it for a year now and having no problem with it.
Thanks very much.