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Why does Incognito/private browsing store cookies and history?

  • 2 replies
  • 1 has this problem
  • 47 views
  • Last reply by tim153

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Recently transferred from Chrome. My understanding was Firefox private browsing was supposed to work similarly to chrome incognito mode; once you close the browser, all local files are deleted and cookies are cleared.

However, with Firefox it maintains my logins. If I log into an account while private browsing and the close the browser, I’ll still be logged in next time I go to the website even if it’s days later (and I have never logged into this account in a non-private browsing window!)

I never had this issue using chrome incognito, so it seems to be a Firefox problem.

Is this just not something Firefox supports? Is there any way to prevent storage of cookies and private data?

Recently transferred from Chrome. My understanding was Firefox private browsing was supposed to work similarly to chrome incognito mode; once you close the browser, all local files are deleted and cookies are cleared. However, with Firefox it maintains my logins. If I log into an account while private browsing and the close the browser, I’ll still be logged in next time I go to the website even if it’s days later (and I have never logged into this account in a non-private browsing window!) I never had this issue using chrome incognito, so it seems to be a Firefox problem. Is this just not something Firefox supports? Is there any way to prevent storage of cookies and private data?

All Replies (2)

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Unsure how to edit my post:

I’m using the latest Firefox, and have the issue both in Windows 11 PC and IOS 18.3.1

Helpful?

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If it helps, this mostly happens on iOS. I close all private tabs, but stay logged in for days.

Helpful?

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