Learn what "cookies" are, how websites use them, and how you can manage the cookies that Firefox stores.
Learn how to delete cookies that store website preferences and login status, remove site data and clear cached web content in Firefox.
The Firefox cache temporarily stores parts of websites you visit. Learn how to clear it to fix issues with how websites work or look.
Some advertisers use third-party cookies to track your visits to the various websites on which they advertise. Learn how to disable them.
This article describes how to troubleshoot problems that involve websites reporting that cookies are blocked or disabled.
Make Firefox "Forget" your recent browsing history while leaving the rest alone. All it takes is a few clicks.
Cookies and other data is stored on your computer by websites you visit. Learn how to block websites from storing this data in Firefox.