A reupload of latest clean version 1.2.5 of this extension, link to Chrome Stats: https://chrome-stats.com/d/nipbnfmgpgcabijookcnoienpfodnmhc This is for Chrome & is on Manifest V2 as I don't know how to update it for V3, if anyone is interested to contribute updated code for V3 feel free.
Original description:
Infinite boost any tab's volume separately.
This extension enable, virtually, infinite boost of any sound played within a chrome browser tab. Whether a Youtube video, a Webex meet or a Spotify/Deezer audio track, boost sound volume as you want simply by clicking on extension icon and sliding right or left. You can also reduce a specific tab sound or mute it if you want.
v1.1.1: addition of quick access buttons.
v1.2.0-1.2.5: major UI adjustments.
Just clone/download the zip of this repo & point Chrome to the folder or drag it in the extensions page.