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Firefox
Privacy and security

Privacy and security

Learn how to protect your privacy and secure your data.

In English

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

Introducing Total Cookie Protection in Standard Mode

Insecure connection password warning in Firefox

Sponsored shortcuts on the New Tab page

Configure DNS over HTTPS protection levels in Firefox

HTTPS-Only Mode in Firefox

Telemetry collection and deletion

Pop-up blocker settings, exceptions and troubleshooting

How do I set up Sync on my computer?

Protect privacy while using Web Authentication

Firefox Password Manager - Alerts for breached websites

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Use a Primary Password to protect stored logins and passwords

How does built-in Phishing and Malware Protection work?

Secure your Mozilla account with two-step authentication

Global Privacy Control

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

How to manage your camera and microphone permissions with Firefox

Delete browsing, search and download history on Firefox

How do I turn on the Do Not Track feature?

SmartBlock for Enhanced Tracking Protection

Automatically trust third-party root certificates

Secure website certificate

Private Browsing - Use Firefox without saving history

How do I choose what information to sync on Firefox?

Mixed content blocking in Firefox

How to use Firefox containers

Search suggestions in Firefox

Resist Fingerprinting

How do I know the status of my sync?

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

Site Information panel

How to generate a secure password in Firefox

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

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

Firefox DNS over HTTPS

How Firefox Sync keeps your data safe even if TLS fails

Browsing history in Firefox - View the websites you have visited

Secure Firefox passwords with device sign-in

Share data with Mozilla to help improve Firefox

Remove a synced device from your Mozilla account

Autofill logins on Firefox

Site Permissions panel

Firefox privacy and security features

How Firefox securely saves passwords

Manage your logins with the Firefox Password Manager

DNS over HTTPS (DoH) FAQs

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

How to stop Firefox from making automatic connections

How do I share Firefox between people on a computer?

Total Cookie Protection and website breakage FAQ

Encrypted Client Hello (ECH) - Frequently asked questions

Block and unblock websites with parental controls on Firefox

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

Understand Encrypted Client Hello (ECH)

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

Recommended Firefox privacy and security settings for families

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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