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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?

Configure DNS over HTTPS protection levels in Firefox

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

Insecure connection password warning in Firefox

Sponsored shortcuts on the New Tab page

Protect privacy while using Web Authentication

Introducing Total Cookie Protection in Standard Mode

How do I set up Sync on my computer?

Telemetry collection and deletion

Global Privacy Control

HTTPS-Only Mode in Firefox

Delete browsing, search and download history on Firefox

Pop-up blocker settings, exceptions and troubleshooting

How do I turn on the Do Not Track feature?

Use a Primary Password to protect stored logins and passwords

Privacy-Preserving Attribution

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Firefox Password Manager - Alerts for breached websites

How does built-in Phishing and Malware Protection work?

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

SmartBlock for Enhanced Tracking Protection

Secure your Mozilla account with two-step authentication

How to manage your camera and microphone permissions with Firefox

Automatically trust third-party root certificates

Private Browsing - Use Firefox without saving history

How do I choose what information to sync on Firefox?

Search suggestions in Firefox

Secure website certificate

Firefox DNS over HTTPS

How to use Firefox containers

Mixed content blocking in Firefox

Secure Firefox passwords with device sign-in

How to stop Firefox from making automatic connections

Site Information panel

How Firefox securely saves passwords

Firefox privacy and security features

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

How Firefox Sync keeps your data safe even if TLS fails

Autofill logins on Firefox

DNS over HTTPS (DoH) FAQs

Browsing history in Firefox - View the websites you have visited

Site Permissions panel

Remove a synced device from your Mozilla account

How do I know the status of my sync?

Manage your logins with the Firefox Password Manager

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

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

Share data with Mozilla to help improve Firefox

Total Cookie Protection and website breakage FAQ

Recommended Firefox privacy and security settings for families

Understand Encrypted Client Hello (ECH)

Encrypted Client Hello (ECH) - Frequently asked questions

How do I share Firefox between people on a computer?

How to stay safe on the web

Suspicious activity on my Mozilla account

About Firefox Desktop Attribution

Changing your two-step authentication device for your Mozilla account

Disable Firefox Sync

Primary Password is replacing Master Password

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

Disable password saving in Firefox

Unlink your Google or Apple ID from your Mozilla account

Block and unblock websites with parental controls on Firefox

Disable Firefox Sync on a lost phone or tablet

Change your Mozilla account password

"Certificate cannot be trusted" warning in Kazakhstan

My privacy settings were changed from Custom to Standard

Telemetry collection - Windows default browser trends

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Resist Fingerprinting

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