Learn what information Firefox sends to web sites about your location and how to use and manage location-aware features of your browser.
DNS over HTTPS (DoH) is a recommended feature that enhances privacy for everyone. When you type a web address into your address bar, Firefox sends a secure DNS request to look up the IP address for that website over the Internet and make sure it's secure. In this article, we explain all the DoH protection levels you can configure from the Firefox settings.
Manage credit card autofill settings in Firefox version 81 and above.
SmartBlock lets pages load more fully, with less breakage — all while keeping those tracking scripts blocked.
Learn more about HTTPS-Only Mode which forces all connections to websites to use HTTPS.
How to make Firefox advise websites that you visit not to sell or share your browsing information.
Working with its advertising partners, Mozilla may place sponsored shortcuts on the default Firefox home page and New Tab page. Learn more.
Enhanced Tracking Protection in Firefox automatically protects your privacy while you browse.
Firefox prevents media from playing automatically on websites you visit, unless you grant permission. Learn more about this feature.
The Site Information panel in Firefox tells you about a website's connection security and identity. Learn more.
Root certificates are the backbone of the security system that underpins HTTPS web traffic. Firefox, like most web browsers, includes a pre-installed set of trusted root certificates.
How to enable or block sites from accessing your camera and microphone on your desktop or mobile device.
You may see a warning that the installer could harm your device when attempting to download Firefox from another browser. Learn more.
Learn why some Firefox add-ons might not work on certain websites and how to manage those extensions to enhance your browsing experience.
Firefox lets you control whether or not to autofill your logins and passwords.
Disable two-step authentication or use a backup authentication code to regain access to your account if you've been locked out of two-step authentication login.
Learn how Firefox securely saves your passwords.
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.
Firefox collects telemetry data by default. We collect this data to help improve the performance and stability of Firefox. Learn more.
Learn how Firefox can create a secure password for you when creating a new online account.
Firefox version 118 introduced a security enhancement called Encrypted Client Hello (ECH), enabled by default in Firefox 119. Learn more.
Encrypted Client Hello (ECH) is a security feature in major Web browsers, available in Firefox 118 and enabled by default in Firefox 119. Learn more.
If you allow or block permissions for a website, the address bar will show a Permissions icon that opens the Permissions panel. Learn more.
Learn about Enhanced Tracking Protection and Total Cookie Protection in Firefox, and how to troubleshoot and report possible site breakage.
This article describes the implications of allowing or restricting access to accessibility services and its effect on performance.
Primary Password is replacing Master Password. Learn more about why we are making this change.
Firefox is blocking the use of Kazakhstan root CA certificate to protect your privacy. Learn more about how to stay safe.
If your Custom settings match the settings in Standard, you will be switched back to Standard. This will not affect your settings.
This article explains Firefox's virtual reality features and how to manage permissions for websites that ask to access your VR devices.
If you no longer want to use your Google or Apple account to sign in to your Mozilla account, you can unlink it in your Mozilla account settings.
Learn more about this Firefox anti-snooping feature designed to protect your logins and passwords from unauthorized access.
This article explains one example of how Firefox collects and uses telemetry data with the Default Browser Agent Windows scheduled task.
Make sure these settings are enabled to prevent unwanted downloads and block suspicious content on your children's sessions.