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

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Iceggiren i Profile Switcher for Firefox

Profile Switcher for Firefox sɣur nulldev

3,6 n yitran ɣef 5
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Icegger-it Nazmond
sɣur Nazmond, prije godinu
Was working well but now unresponsive, cannot access my other profile.

Update - fixed it thanks to olivrrstray's short guide.