Protect your privacy
Cookies and cache
Control the information that Firefox saves
Introducing Total Cookie Protection in Standard Mode
Firefox users now have access to Total Cookie Protection by default. Find all you need to know about it in this article.
Cookies - Information that websites store on your computer
Learn what "cookies" are, how websites use them, and how you can manage the cookies that Firefox stores.
How to clear the Firefox cache
The Firefox cache temporarily stores parts of websites you visit. Learn how to clear it to fix issues with how websites work or look.
Third-party cookies and Firefox tracking protection
Some advertisers use third-party (cross-site) cookies to track your visits to the various websites on which they advertise. Learn more.
Websites say cookies are blocked - Unblock them
This article describes how to troubleshoot problems that involve websites reporting that cookies are blocked or disabled.
Clear cookies and site data in Firefox
Learn how to delete cookies that store website preferences and login status, remove site data and clear cached web content in Firefox.
Block websites from storing cookies and site data in Firefox
Cookies and site data are stored on your computer by websites you visit. Learn how to block websites from storing this data in Firefox.
Forget button - quickly delete your browsing history on Firefox
Make Firefox "Forget" your recent browsing history for a specified time period while leaving the rest alone. All it takes is a few clicks.
Enable and disable cookies that websites use to track your preferences
Websites store things like your preferences, login status, and trackers in "cookies" on your computer. Learn how to manage cookies in Firefox.