this post was submitted on 02 Feb 2026
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Mozilla finally landed today the long-anticipated AI Kill Switch controls for Firefox, which let users strip the open-source web browser of any AI-powered features, and you can test it right now in Firefox Nightly.

In December 2025, when Mozilla appointed its new CEO, the company developing the popular Firefox web browser revealed that it was working on an AI kill switch that would let users completely disable all the AI features that had been included in the past few releases, estranging more and more loyal users.

Now, the AI kill switch is finally a reality as it landed today with the latest Firefox Nightly update. The implementation is called “AI Controls” and can be found in Firefox’s settings as a standalone section. From there, users can toggle a setting called “Block AI Enhancements” to remove any AI features.

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[–] Yerbouti@sh.itjust.works 30 points 2 days ago (1 children)

I think it's a good thing: we complained and they listened. FF is far from being perfect and I'm definitely not a fan of some of the decisions they made recently, but it's still the best browser out there. It's great that there is forks but they are only possible if FF base keeps being updated.

Same. This is easy for me and great for the best browser. Better late than never.

[–] finalarbiter@lemmy.dbzer0.com 115 points 2 days ago (19 children)

They should never have rolled out any of these AI features without this already implemented. I think it really speaks to their priorities that they rolled it out in this order.

[–] XLE@piefed.social 35 points 2 days ago (1 children)

Mozilla's CEO also recently said they would be building new products based on pre-established trust. I think they got their chronology wrong on that too...

[–] finalarbiter@lemmy.dbzer0.com 22 points 2 days ago

Right, what trust? The trust they lost by putting dumbass MBAs in charge who don't know shit and chase short term profits over sustaining a healthy community?

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appreciate how it's not buried in the options; it's right in the main menu in the settings page.

[–] rizzothesmall@sh.itjust.works 24 points 2 days ago (3 children)

Moz: We're an AI first browser. There's AI in everything now!

Everyone: Boooo *uninstalls*

Moz: We're not an AI first browser. We've added these control features so you can reduce the AI.

[–] Appoxo@lemmy.dbzer0.com 8 points 2 days ago (1 children)

Disable the AI*

After all that's the only reason for a "killswitch", no?

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[–] Deestan@lemmy.world 51 points 2 days ago (1 children)

As a Firefox user, this is not long-awaited. It's a tepid excuse for a dead project. The forks of Firefox are the only real alternatives if you value privacy over convenience. If you don't, then there are faster browers than FF anyway.

[–] ConfidentMoose3@lemmy.zip 3 points 2 days ago (4 children)

As a 10-year FF user, do you have any recomendations to what to switch to?

Waterfox if you want something that still feels like a modern browser, LibreWolf if you don't mind having stricter defaults. If you want the nuclear option, Mullvad browser is good, it is very inconvenient thoygh. At least for desktop. On mobile I use Vivaldi/Fennec/Vanadium depending on need

[–] garretble@lemmy.world 3 points 2 days ago

I tend to like Zen browser. It looks and feels a bit different, but to me that feels refreshing.

[–] KuzhinierSileon@lemmy.world 2 points 2 days ago (1 children)

I haven't personally yet, but a lot of people suggest switching to LibreWolf on PC and to either Fennec or Waterfox on mobile. At least on Android, since I can't be bothered to look up the availability on iOS.

[–] artiman@piefed.social 3 points 2 days ago

on android ironfox is more similiar to librewolf

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[–] not_IO@lemmy.blahaj.zone 5 points 1 day ago (1 children)

where is the single user data collection and selling kill switch

[–] cheesorist@lemmy.world 2 points 1 day ago

"let me parrot what people say about chrome to ff"

[–] semimarcy@lemmy.blahaj.zone 2 points 1 day ago

this is cool to see, Mozilla is not being perfect, but its better than chromium still, personally using Zen because thats the best browser for me, if firefox dies, so does it, and I personally don't want that, this is a win, even if having it be opt out sucks

[–] MonkderVierte@lemmy.zip 9 points 2 days ago (1 children)

Alternative interpretation: the CEO had the focus on pushing the imaginary game-changer and so the controls came later.

[–] Sarothazrom@lemmy.world 3 points 2 days ago (1 children)

Better nate than the lever at least, especially when you look at chrome in comparison.

[–] flowers_galore2@lemmynsfw.com 2 points 1 day ago (1 children)

A Nate the Snake reference? Fsck yeahhhhhh

[–] Sarothazrom@lemmy.world 1 points 1 day ago

🐍🐍🐍🐍🐍🐍🐍🐍

[–] zdanger@lemmy.world 23 points 2 days ago

Too little, too late for me. I've already moved to Librewolf on everything with a GUI. Ironfox on my phone

[–] adespoton@lemmy.ca 18 points 2 days ago

There should never need to be a “kill switch” for a feature the developers have full control over.

Just make it opt-in. An AI kill switch makes me think that they’ve got a setting that will block all known AI interfaces and generated content, which is not what this does.

[–] CombatWombatEsq@lemmy.world 15 points 2 days ago

I was a Netscape navigator user back in the day, so I’ve come and gone from Firefox a few times. I already switched to librewolf on desktop and Vivaldi on mobile. I appreciate them doing this, but I’m not switching back until there’s another forcing function.

[–] Toes@ani.social 13 points 2 days ago (2 children)

I'm just using the Firefox ESR client until its phased out.

[–] tonytins@pawb.social 10 points 2 days ago

Most forks use the ESR builds for stability. So if you ever want to switch one of those, the transition should be smooth.

[–] artyom@piefed.social 5 points 2 days ago

I'm just using Zen. Has a ton of improved features and aesthetics.

[–] stormesp@lemmy.ml 11 points 2 days ago (1 children)

Did they ever tackle all the data collection they introduced? iirc it was opt out not opt in

[–] KiwiTB@lemmy.world 10 points 2 days ago (3 children)

Nope.... And ads built in is still a thing

[–] Anarki_@lemmy.blahaj.zone 4 points 2 days ago (11 children)
[–] XLE@piefed.social 9 points 2 days ago

Sponsored stories, sponsored top shortcuts, even the weather is sponsored. There used to be an "off" switch directly in the NTP settings, but they pushed it into the settings menu.

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[–] tyrant@lemmy.world 9 points 2 days ago

They lost me already. I've migrated away from base Firefox.

[–] Semi_Hemi_Demigod@lemmy.world 8 points 2 days ago

The fact that they can’t find enough utility in AI to make people want to use it is telling.

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