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My logins are still available, even after I cleared "Everything" history; signed out of my Fox sync account; cleared "Cookies and Site Data"

  • 5 replies
  • 2 have this problem
  • Last reply by cor-el

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My logins (username/email addresses & Passwords) are still available, even after I cleared "Everything" history; signed out of my Fox sync account; cleared "Cookies and Site Data".

So for example, after doing the above, I'm now logged out of my gmail account, but if someone steps in front of the computer I was using, runs Firefox, and goes to, they can see all the gmail accounts I have and can log in to them.

How can I remove all logins from the Firefox browser on the public computer?

Firefox 76.0 Windows 10

All Replies (5)

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Sync is used to share data between profiles and systems. Disconnecting sync does not remove any data.

Passwords are stored in two files in the profile. logins.json and key3.db [v58+]key4.db : These are the password files. Remove Both !


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Thanks FredMcD. Your comment is informative and helpful.

Shouldn't Firefox developers make the removal of passwords part of the Privacy&Security options? I mean, which person would want to remove his browsing history yet want to keep all his logins saved on a computer?

I doubt I'm the only one with this question. How can I bring this to the attention of the Firefox developers?

Modified by Mozilla cheese


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Hello Mozilla cheese, You can submit feature requests at:

Firefox Input

And there are also contact links here:


Thank You.


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Saving login data or not is part of the browsers options.


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You can use "Forget About This Site" to remove all data (except bookmarks) for a specific domain.

Note that Session Restore also can store cookie data. You can prevent that by using "Clear history when Firefox closes" to clear cookies and browsing history.


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