Simple keyboard shortcut toggle to mute/unmute tabs of your choosing. Perfect for my needs because as a Twitch moderator I sometimes need to listen to multiple audio streams and the other extensions either auto mute all but the active tab or don't have simply keyboard shortcut functionality to toggle them.

It works!

good

Is there a firefox version of this extension?

Works as intended. You do need to go into your settings/extensions in order to set a key bind as CTRL + T is by default set to opening a new tab, but after setting it up, it works beautifully. It is exactly what I have been looking for and replaces an extension which was being lost to time. Simple, yet elegant.