Refined 🦄 An extension to improve my Slack experience. You can find it for Chrome and Firefox. Find instructions to install it on Opera here. Features Check all the features on its website :) Build from source You need to have nodejs and npm installed. Once you do, just cloning the repo and running npm install && npm run build will generate: A dist/chrome-opera folder. You can load it unpacked on Chrome or Opera. A dist/ff folder. You can load it temporarily on Firefox.