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Q&A Auto-delete Firefox cookies for just one website

Firefox "Settings" offers a checkbox for "delete cookies and site data when Firefox is logged off." Is there a way to configure Firefox to have the cookies for one specific site deleted when Firef...

1 answer · posted 3mo ago by SystemExplorer‭ · last activity 2mo ago by SystemExplorer‭

Question firefox cookie

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SystemExplorer‭ · 2026-06-29T10:11:50Z (3 months ago)

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Auto-delete Firefox cookies for just one website

Firefox "Settings" offers a checkbox for "delete cookies and site data when Firefox is logged off."

Is there a way to configure Firefox to have the cookies for one specific site deleted when Firefox is logged off while preserving cookies for other sites?  

If so, how can this be done?

![Screenshot from Firefox Settings section on Cookies and Site Data.  There is a checkbox for "Delete cookies and site data when Firefox is logged off", as well as three buttons: "Clear Data...", "Manage Data...", and "Manage Exceptions..."](https://powerusers.codidact.com/uploads/t7pjjckwc5iu1fy5is5r9izxxkbn)

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