There seem to be a lot of ways to do that. What's stopping you? https://addons.mozilla.org/en-US/firefox/addon/simple-tab-groups/ https://addons.mozilla.org/en

There seem to be a lot of ways to do that. What's stopping you? https://addons.mozilla.org/en-US/firefox/addon/simple-tab-groups/ https://addons.mozilla.org/en-US/firefox/addon/simple-tab-gr... https://search.brave.com/search?q=tab+groups+for+firefox&summary=1 https://search.brave.com/search?q=tab+groups+for+firefox&sum...