I've been using the Temporary Containers addon for this and it's been good so far: https://addons.mozilla.org/en-US/firefox/addon/temporary-containers/ https://

I've been using the Temporary Containers addon for this and it's been good so far: https://addons.mozilla.org/en-US/firefox/addon/temporary-containers/ https://addons.mozilla.org/en-US/firefox/addon/temporary-con...