Protect your privacy
Prevent websites from tracking you as you browse.
Enhanced Tracking Protection in Firefox for desktop
Enhanced Tracking Protection in Firefox automatically protects your privacy while you browse.
Trackers and scripts Firefox blocks in Enhanced Tracking Protection
Blocks many common trackers and harmful scripts and reduces the ability of third parties to collect data about your browsing behavior
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.
Firefox's protection against fingerprinting
Fingerprinting Protection is an experimental feature that is under heavy development 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.
Websites say cookies are blocked - Unblock them
This article describes how to troubleshoot problems that involve websites reporting that cookies are blocked or disabled.
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.
SmartBlock for Enhanced Tracking Protection
SmartBlock lets pages load more fully, with less breakage — all while keeping those tracking scripts blocked.