To use these add-ons, you'll need to download Firefox.

Qqen
Tignit n uzegrir

Iceggiren i Profile Switcher for Firefox

Profile Switcher for Firefox sɣur nulldev

3,6 n yitran ɣef 5
5
98
4
25
3
10
2
14
1
46
Icegger-it Aseqdac Firefox 14836769
sɣur Aseqdac Firefox 14836769, ien jier lyn
Great addon.

Workarounds (including Linux) to fix the v124.0 issue: https://github.com/null-dev/firefox-profile-switcher/issues/106#issuecomment-2008582801