Privacy and security settings
Learn how to keep your information safe and secure with Firefox's private browsing, password features and other security settings.
Enhanced Tracking Protection in Firefox for desktop
Enhanced Tracking Protection in Firefox automatically protects your privacy while you browse.
SmartBlock for Enhanced Tracking Protection
SmartBlock lets pages load more fully, with less breakage -- all while keeping those tracking scripts blocked.
HTTPS-Only Mode in Firefox
Learn more about HTTPS-Only Mode which forces all connections to websites to use HTTPS.
Firefox Password Manager - Alerts for breached websites
Firefox's password management will show you alerts about logins potentially exposed in data breaches and passwords that may be vulnerable.
What is the Accessibility Service Indicator?
This article describes the implications of allowing or restricting access to accessibility services and its effect on performance.
Sponsored shortcuts on the New Tab page
Working with its advertising partners, Mozilla may place sponsored shortcuts on the default Firefox home page and New Tab page. Learn more.
Site Information panel
The Site Information panel in Firefox tells you about a website's connection security and identity. Learn more.
How Firefox Sync keeps your data safe even if TLS fails
Firefox Sync encrypts your data before it ever leaves your device, and ensures that the password to unlock this encryption is never transmitted to the server.
WebXR Permission Info Page
This article explains Firefox's virtual reality features and how to manage permissions for websites that ask to access your VR devices.
Primary Password is replacing Master Password
Primary Password is replacing Master Password. Learn more about why we are making this change.
About Mozilla Rally
Learn more about how to participate in studies.
Site Permissions panel
If you allow or block permissions for a website, the address bar will show a Permissions icon that opens the Permissions panel. Learn more.
Does Firefox share my location with websites?
Learn what information Firefox sends to web sites about your location and how to use and manage location-aware features of your browser.
How is Facebook Container different from Multi-account Containers?
The difference between Facebook Container and Multi-Account Containers
Allow or block media autoplay in Firefox
Firefox prevents media from playing automatically on websites you visit, unless you grant permission. Learn more about this feature.
What if I'm locked out of Two-Step Authentication?
Disable two-step authentication or use a recovery code to regain access, if you have been locked out of your two-step authentication login.
How to manage your camera and microphone permissions with Firefox
How to enable or block sites from accessing your camera and microphone on your desktop or mobile device.
How Firefox securely saves passwords
Learn how Firefox securely saves your passwords.
"Certificate cannot be trusted" warning in Kazakhstan
Firefox is blocking the use of Kazakhstan root CA certificate to protect your privacy. Learn more about how to stay safe.
Autofill logins on Firefox
Firefox lets you control whether or not to autofill your logins and passwords.
Telemetry collection and deletion
Firefox collects telemetry data by default. We collect this data to help improve the performance and stability of Firefox. Learn more.
My privacy settings were changed from Custom to Standard
If your Custom settings match the settings in Standard, you will be switched back to Standard. This will not affect your settings.
How to generate a secure password in Firefox
Learn how Firefox can create a secure password for you when creating a new online account.
Firefox asks for authentication (password, voice, face or fingerprint) when accessing passwords
Learn more about this new Firefox anti-snooping feature designed to protect your logins and passwords from unauthorized access.
Automatically fill in credit card data on Web forms
Manage credit card autofill settings in Firefox version 81 and above.
Telemetry collection- Windows default browser trends
This article explains one example of how Firefox collects and uses telemetry data with the Default Browser Agent Windows scheduled task.
Create an email mask through Firefox Relay
How to create an email mask on Firefox Relay.
Total Cookie Protection and website breakage FAQ
Learn about Enhanced Tracking Protection and Total Cookie Protection in Firefox, and how to troubleshoot and report possible site breakage.
