Privacy and security Learn how to protect your privacy and secure your data. In English Common Myths about Private Browsing Introducing Total Cookie Protection in Standard Mode Avoid and report Mozilla tech support scams Enhanced Tracking Protection in Firefox for desktop Sponsored shortcuts on the New Tab page Does Firefox share my location with websites? Configure DNS over HTTPS protection levels in Firefox Third-party trackers Protect privacy while using Web Authentication Automatically fill in credit card and payment method data on Web forms How do I set up Sync on my computer? How do I turn on the Do Not Track feature? Private Browsing - Use Firefox without saving history HTTPS-Only Mode in Firefox Use a Primary Password to protect stored logins and passwords Delete browsing, search and download history on Firefox Global Privacy Control Pop-up blocker settings, exceptions and troubleshooting Allow or block media autoplay in Firefox How to manage your camera and microphone permissions with Firefox How does built-in Phishing and Malware Protection work? Insecure connection password warning in Firefox SmartBlock for Enhanced Tracking Protection Trackers and scripts Firefox blocks in Enhanced Tracking Protection Automatically trust third-party root certificates Secure your Mozilla account with two-step authentication How do I choose what information to sync on Firefox? Secure website certificate How to use Firefox containers Why are some add-ons not allowed on sites restricted by Mozilla? Telemetry collection and deletion How to generate a secure password in Firefox How do I tell if my connection to a website is secure? Mixed content blocking in Firefox Share data with Mozilla to help improve Firefox Site Information panel My sign in was “blocked for security reasons” on Mozilla account Why do I get a harmful download message when downloading Firefox on Windows? Search suggestions in Firefox About Firefox Desktop Attribution How Firefox securely saves passwords Autofill logins on Firefox How to stop Firefox from making automatic connections Secure Firefox passwords with device sign-in What if I'm locked out of Two-Step Authentication? How Firefox Sync keeps your data safe even if TLS fails Disable Firefox Sync Site Permissions panel Firefox privacy and security features Resist Fingerprinting Block and unblock websites with parental controls on Firefox How do I know the status of my sync? Manage your logins with the Firefox Password Manager Total Cookie Protection and website breakage FAQ How to stay safe on the web Change your Mozilla account password Using a Primary Password with Sync Remove a synced device from your Mozilla account Browsing history in Firefox - View the websites you have visited Disable password saving in Firefox Primary Password is replacing Master Password Recommended Firefox privacy and security settings for families Encrypted Client Hello (ECH) - Frequently asked questions Disable Firefox Sync on a lost phone or tablet How do I share Firefox between people on a computer? Suspicious activity on my Mozilla account How is Facebook Container different from Multi-account Containers? "Certificate cannot be trusted" warning in Kazakhstan Changing your two-step authentication device for your Mozilla account Firefox Password Manager - Alerts for breached websites My privacy settings were changed from Custom to Standard Telemetry collection - Windows default browser trends Delete sync data from Firefox by signing out of your Mozilla account Recommended Firefox extensions for families and students Disable credit card and payment method syncing across devices Block deceptive content and dangerous downloads in Firefox Understand Encrypted Client Hello (ECH) Unlink your Google or Apple ID from your Mozilla account