Enhanced Tracking Protection in Firefox automatically protects your privacy while you browse.
Firefox users now have access to Total Cookie Protection by default. Find all you need to know about it in this article.
Blocks many common trackers and harmful scripts and reduces the ability of third parties to collect data about your browsing behavior
SmartBlock lets pages load more fully, with less breakage — all while keeping those tracking scripts blocked.
Some advertisers use third-party (cross-site) cookies to track your visits to the various websites on which they advertise. Learn more.
Fingerprinting Protection is an experimental feature that is under heavy development in Firefox.
This article describes how to troubleshoot problems that involve websites reporting that cookies are blocked or disabled.
Cookies and site data are stored on your computer by websites you visit. Learn how to block websites from storing this data in Firefox.