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

Does Firefox share my location with websites?

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

Insecure connection password warning in Firefox

Configure DNS over HTTPS protection levels in Firefox

Introducing Total Cookie Protection in Standard Mode

HTTPS-Only Mode in Firefox

How do I set up Sync on my computer?

Pop-up blocker settings, exceptions and troubleshooting

Telemetry collection and deletion

Protect privacy while using Web Authentication

Secure your Mozilla account with two-step authentication

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Firefox Password Manager - Alerts for breached websites

Privacy-Preserving Attribution

Global Privacy Control

How does built-in Phishing and Malware Protection work?

Delete browsing, search and download history on Firefox

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

Use a Primary Password to protect stored logins and passwords

How do I turn on the Do Not Track feature?

SmartBlock for Enhanced Tracking Protection

How to manage your camera and microphone permissions with Firefox

Private Browsing - Use Firefox without saving history

Secure website certificate

Automatically trust third-party root certificates

How do I choose what information to sync on Firefox?

Search suggestions in Firefox

Mixed content blocking in Firefox

How to use Firefox containers

Resist Fingerprinting

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

How to generate a secure password in Firefox

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

Site Information panel

How do I know the status of my sync?

Firefox DNS over HTTPS

Browsing history in Firefox - View the websites you have visited

Secure Firefox passwords with device sign-in

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

How Firefox Sync keeps your data safe even if TLS fails

Autofill logins on Firefox

Share data with Mozilla to help improve Firefox

How Firefox securely saves passwords

DNS over HTTPS (DoH) FAQs

Firefox privacy and security features

Remove a synced device from your Mozilla account

Manage your logins with the Firefox Password Manager

How to stop Firefox from making automatic connections

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

Site Permissions panel

Total Cookie Protection and website breakage FAQ

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

Disable Firefox Sync

Primary Password is replacing Master Password

Recommended Firefox privacy and security settings for families

Understand Encrypted Client Hello (ECH)

Encrypted Client Hello (ECH) - Frequently asked questions

Block and unblock websites with parental controls on Firefox

Disable Firefox Sync on a lost phone or tablet

About Firefox Desktop Attribution

"Certificate cannot be trusted" warning in Kazakhstan

Changing your two-step authentication device for your Mozilla account

My privacy settings were changed from Custom to Standard

Telemetry collection - Windows default browser trends

Disable password saving in Firefox

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Unlink your Google or Apple ID from your Mozilla account

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