Privacy and security

Learn how to protect your privacy and secure your data.

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Common Myths about Private Browsing

Enhanced Tracking Protection in Firefox for desktop

Avoid and report Mozilla tech support scams

Third-party trackers

Insecure connection password warning in Firefox

Does Firefox share my location with websites?

Configure DNS over HTTPS protection levels in Firefox

Automatically fill in credit card and payment method data on Web forms

Protect privacy while using Web Authentication

How do I set up Sync on my computer?

Introducing Total Cookie Protection in Standard Mode

Telemetry collection and deletion

Firefox Password Manager - Alerts for breached websites

Delete browsing, search and download history on Firefox

Pop-up blocker settings, exceptions and troubleshooting

Private Browsing - Use Firefox without saving history

Use a Primary Password to protect stored logins and passwords

How to manage your camera and microphone permissions with Firefox

Global Privacy Control

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

How does built-in Phishing and Malware Protection work?

HTTPS-Only Mode in Firefox

How do I turn on the Do Not Track feature?

Secure your Mozilla account with two-step authentication

Automatically trust third-party root certificates

Privacy-Preserving Attribution

Why are some add-ons not allowed on sites restricted by Mozilla?

How do I choose what information to sync on Firefox?

SmartBlock for Enhanced Tracking Protection

Mixed content blocking in Firefox

Search suggestions in Firefox

My sign in was “blocked for security reasons” on Mozilla account

How to use Firefox containers

DNS over HTTPS (DoH) FAQs

Site Information panel

How Firefox securely saves passwords

Secure Firefox passwords with device sign-in

How to stop Firefox from making automatic connections

Firefox DNS over HTTPS

Secure website certificate

Resist Fingerprinting

Site Permissions panel

Share data with Mozilla to help improve Firefox

Total Cookie Protection and website breakage FAQ

How do I tell if my connection to a website is secure?

Firefox privacy and security features

Firefox connection upgrades - HTTP to HTTPS

Remove a synced device from your Mozilla account

Manage your logins with the Firefox Password Manager

How Firefox Sync keeps your data safe even if TLS fails

Browsing history in Firefox - View the websites you have visited

Disable password saving in Firefox

About Firefox Desktop Attribution

Autofill logins on Firefox

Disable Firefox Sync

Delete sync data from Firefox by signing out of your Mozilla account

Understand Encrypted Client Hello (ECH)

Encrypted Client Hello (ECH) - Frequently asked questions

Block and unblock websites with parental controls on Firefox

How do I share Firefox between people on a computer?

How to stay safe on the web

Change your Mozilla account password

Suspicious activity on my Mozilla account

How do I know the status of my sync?

Telemetry collection - Windows default browser trends

Why do I get a harmful download message when downloading Firefox on Windows?

Unlink your Google or Apple ID from your Mozilla account

HTTPS-First upgrades to secure connections

Disable Firefox Sync on a lost phone or tablet

How do you use Google Firebase in Firefox?

Firefox Subprocessor List

"Certificate cannot be trusted" warning in Kazakhstan

Change your two-step authentication device for your Mozilla account

My privacy settings were changed from Custom to Standard

Primary Password is replacing Master Password

Recommended Firefox privacy and security settings for families

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

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