You can use profiles with Firefox https://support.mozilla.org/en-US/kb/profile-manager-create-remove-switch-firefox-profiles?redirectslug=Managing+profiles&redi

You can use profiles with Firefox https://support.mozilla.org/en-US/kb/profile-manager-create-remove-switch-firefox-profiles?redirectslug=Managing+profiles&redirectlocale=en-US https://support.mozilla.org/en-US/kb/profile-manager-create-... You can also use containers on Firefox for isolating specific sites