Download Firefox Systems and Languages What's New Privacy Advanced and experimental features Learn tips beyond the basics and try features before they're released to the public. All All articles and threads In English Captive portal detection How to enable Windows SSO login in Firefox Configuration Editor for Firefox Compact mode workaround in Firefox Resist Fingerprinting Firefox's protection against fingerprinting About Studies Solve math calculations directly in your Firefox address bar Firefox Labs - Explore experimental features in Firefox Configure networks to disable DNS over HTTPS Firefox advanced customization and configuration options Canary domain - use-application-dns.net Sync custom preferences WebXR Permission Info Page Use the Eyedropper tool in Firefox to sample colors Fakespot results in Firefox Suggest