this post was submitted on 14 Nov 2025
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I use Firefox profiles to manage tabs because I have many open, so I keep a few different profiles. I was waiting for the new profiles feature I saw announced, but I still don’t know how to use it.

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[–] ChaoticNeutralCzech@feddit.org 6 points 5 days ago* (last edited 5 days ago) (2 children)

Profiles have been around for a very long time. They are collections of all browser data for a given user - pretty much all of the browser's disk usage except for the executable itself. AFAIK the new switcher just makes using multiple profiles easier. Just keep in mind that profiles are completely isolated, and creating a new one is like a fresh Firefox install. You can copy profiles but the copies will not sync between each other ~~unless you synchronize them with a Firefox account~~ turns out you can't have one Firefox account assigned both at the same time.

BTW when creating a new profile (not a copy), I suggest https://ffprofile.com/ to opt out of telemetry etc. easily.

[–] thingsiplay@beehaw.org 2 points 5 days ago (1 children)

Can you really sync between profiles with a Firefox account? According to https://support.mozilla.org/en-US/kb/profile-management?redirectslug=profile-management-redirect-1&redirectlocale=en-US

suggest this should not be possible.

[–] ChaoticNeutralCzech@feddit.org 2 points 5 days ago (1 children)

I never tried it but I assumed there would be no such arbitrary limitation. Guess I'll edit my comment, thanks!

[–] thingsiplay@beehaw.org 1 points 5 days ago (1 children)

Yeah, its surprising. But kinda makes sense if you think about it. If you have profiles and sync, why would you?

[–] ChaoticNeutralCzech@feddit.org 2 points 5 days ago (1 children)

Maybe you want profiles with the same bookmarks but separate history and cookies? You can choose what to sync via a Mozilla account.

I haven't tried this newly announced switcher but maybe it also gives you the choice, offline this time.

[–] thingsiplay@beehaw.org 3 points 5 days ago* (last edited 5 days ago)
[–] IanTwenty@piefed.social 1 points 4 days ago (1 children)

Never seen ffprofile before that's useful. Wonder how up to date it is with all the new ml options.

Probably not, none of the [recent commits]https://github.com/allo-/ffprofile/commits/master/) mention AI.