Comment by jedberg

Firefox containers does the same thing with a lot less work. If you get the multi-account-containers extension and the temporary containers extension, you won't have to log back into everything all the time but will still get isolation.

https://addons.mozilla.org/en-US/firefox/addon/temporary-con...

https://addons.mozilla.org/en-US/firefox/addon/multi-account...

Edit: See below with a warning about using this with profile sync.