You can also run multiple Firefox profiles at the same time, each with different extensions. Something like: $ firefox -ProfileManager -no-remote & Also i

You can also run multiple Firefox profiles at the same time, each with different extensions. Something like: $ firefox -ProfileManager -no-remote & Also interesting: https://github.com/mozfreddyb/webext-firstpartyisolation https://github.com/mozfreddyb/webext-firstpartyisolation https://github.com/stoically/temporary-containers https://github.com/stoically/temporary-containers