Privacy and security settings

Learn how to keep your information safe and secure with Firefox's private browsing, password features and other security settings.

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.

Firefox, Privacy and Security Firefox, Privacy and Security Last updated: 8 months, 3 weeks ago

Configure DNS over HTTPS protection levels in Firefox

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.

Firefox Firefox Last updated: 4 months, 1 week ago

HTTPS-Only Mode in Firefox

Learn more about HTTPS-Only Mode which forces all connections to websites to use HTTPS.

Firefox Firefox Last updated: 1 year, 10 months ago

Global Privacy Control

How to make Firefox advise websites that you visit not to sell or share your browsing information.

Firefox Firefox Last updated: 6 months, 1 week ago

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.

Firefox Firefox Last updated: 2 months, 2 weeks ago

Automatically trust third-party root certificates

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.

Firefox Firefox Last updated: 6 months, 1 week ago

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.

Firefox Firefox Last updated: 2 weeks, 6 days ago

Site Information panel

The Site Information panel in Firefox tells you about a website's connection security and identity. Learn more.

Firefox Firefox Last updated: 1 year ago

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.

Firefox Firefox Last updated: 3 years, 9 months ago

What if I'm locked out of Two-Step Authentication?

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.

Firefox, Mozilla Account Firefox, Mozilla Account Last updated: 6 months, 3 weeks ago

Autofill logins on Firefox

Firefox lets you control whether or not to autofill your logins and passwords.

Firefox Firefox Last updated: 3 months, 1 week ago

Understand Encrypted Client Hello (ECH)

Firefox version 118 introduced a security enhancement called Encrypted Client Hello (ECH), enabled by default in Firefox 119. Learn more.

Firefox Firefox Last updated: 6 months, 3 weeks ago

What is the Accessibility Service Indicator?

This article describes the implications of allowing or restricting access to accessibility services and its effect on performance.

Firefox Firefox Last updated: 1 year, 11 months ago

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.

Firefox, Mozilla Account Firefox, Mozilla Account Last updated: 7 months ago

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.

Firefox Firefox Last updated: 1 year, 2 months ago
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