this post was submitted on 04 Mar 2026
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Privacy
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Nice work, keep it up. But Phoenix for Firefox and IronFox for me. They don't really interfere with my browsing.
I came here to ask the million dollar question, they answered it on their GitHub.
How we are differnt from Librewolf? Umbra uses the built in firefox password manager instead of recommending extensions. Netflix works, and we do not enable RFP ( resist fingerprinting ) by default as it breaks many web pages. We also have an Umbra Control Center ( about:umbra or bottom left in setting menu) that allows you to set many privacy settings and set profiles for individual web sites. ( may be more differences just the top of my head)
Nice. Now - how does it differ from IronFox?
I'm not super familiar with ironfox. Currently we're only available on Linux/windows. We don't use profiles at all.
Cool project. Will it support existing extension?
Yeah it supports all firefox extensions. We kept the parts that don't spy on you.
Will it support sync between devices as well?
I don't like browsers phoning home, even when it's convenient. You can import history/password from another browser.
Its encrypted tho as far as i know (Unless just privacy is your concern). But Yea to each their own
If you want hardened Firefox with sync you could use Librewolf.
Thanks.
Very cool indeed. Librewolf user and love it, but always need good options because you never know the future.
Definitely be checking this one out. Cheers!
Congratulations!
Tradeoff question—
Should I expect to find some semblance of safety in sticking with the largest open source browser project I can find, given perhaps the eyeballs etc., or would you reckon not (or even perhaps the opposite, security through obscurity & Umbra is “safer” than Firefox)?
Maybe this is so “lightly” forked it’s “just” stripping + cosmetics & the risk profile is essentially identical?
Umbra doesn't add any security flaws to firefox. Every security fix applied to firefox esr is also applied to Umbra.
That makes you different eh? Love that. Means I could actually use it :D
Good project, all the best to you!
Interesting, I'll check it out. I see the flapak release, will you make it available from flathub?
I plan on uploading it there yes
I assume your disability is related to grammar, since there are a lot of errors in your Readme, or you might just not be that good with English yet. Whatever the case might be, it would look more trustworthy and professional if you would fix those.
Kagi Translate or LanguageTool can help: https://translate.kagi.com/ https://languagetool.org/