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Please educate me: I am a Chrome user and I do rely on browser syncing my tabs and some passwords.

I know that Firefox also has a syncing feature ("Sign into Firefox", "Continue to Firefox Sync").

My problem is that I don't trust Mozilla's ability to keep this data secure. I believe that sooner or later they are going to get hacked, and that data will leak. The same might happen to Google, but I also believe that no other company has the degree of expertise of Google to protect that data.

Am I wrong in this assumption? Does Firefox Sync end-to-end encrypt the data, without knowing the key, like Google's Sync Passphrase feature?

What are your experiences with Firefox Sync? Does it work just as good as Chrome's, or even better?



I've had a pretty good experience with Firefox Sync, although I don't use it for passwords. Firefox Sync has E2E encryption to ensure that Mozilla doesn't have the ability to view any of your data.

https://hacks.mozilla.org/2018/11/firefox-sync-privacy/


You can actually self host Firefox Sync on your own server if you want.


it's encrypted, they store the blob and ship it to any browser that auths correctly. sync works just fine.


Tl;Dr: Extremely satisfied and using on three devices.

The sync server is open source and free, so you can host an instance yourself if you'd like.

Firefox accounts have 2FA support, and passwords are end to end synced anyway, so even if your Firefox account is compromised, nobody can recover data without the key.

For about a decade in the working, there were zero breaches in mozilla AFAIK.

I use Firefox sync in my Windows laptop, Firefox on Android beta. There is also an app called Lockwise that can work as a standalone app and a password fill feature for other apps as well.




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