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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?

Configure DNS over HTTPS protection levels in Firefox

Insecure connection password warning in Firefox

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

Secure your Mozilla account with two-step authentication

How do I set up Sync on my computer?

Protect privacy while using Web Authentication

Introducing Total Cookie Protection in Standard Mode

Telemetry collection and deletion

Delete browsing, search and download history on Firefox

Firefox Password Manager - Alerts for breached websites

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Pop-up blocker settings, exceptions and troubleshooting

Use a Primary Password to protect stored logins and passwords

Global Privacy Control

How does built-in Phishing and Malware Protection work?

Private Browsing - Use Firefox without saving history

Privacy-Preserving Attribution

Automatically trust third-party root certificates

Search suggestions in Firefox

SmartBlock for Enhanced Tracking Protection

How do I choose what information to sync on Firefox?

How to manage your camera and microphone permissions with Firefox

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

Secure website certificate

How to use Firefox containers

How do I turn on the Do Not Track feature?

Mixed content blocking in Firefox

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

Firefox DNS over HTTPS

How to stop Firefox from making automatic connections

How Firefox securely saves passwords

Secure Firefox passwords with device sign-in

Site Information panel

HTTPS-Only Mode in Firefox

Site Permissions panel

Firefox privacy and security features

Resist Fingerprinting

Browsing history in Firefox - View the websites you have visited

Manage your logins with the Firefox Password Manager

Autofill logins on Firefox

DNS over HTTPS (DoH) FAQs

Disable password saving in Firefox

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

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

Share data with Mozilla to help improve Firefox

About Firefox Desktop Attribution

Remove a synced device from your Mozilla account

How Firefox Sync keeps your data safe even if TLS fails

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

How to stay safe on the web

Suspicious activity on my Mozilla account

How do I know the status of my sync?

Changing your two-step authentication device for your Mozilla account

Disable Firefox Sync

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

Total Cookie Protection and website breakage FAQ

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 I share Firefox between people on a computer?

Change your Mozilla account password

"Certificate cannot be trusted" warning in Kazakhstan

My privacy settings were changed from Custom to Standard

Primary Password is replacing Master Password

Telemetry collection - Windows default browser trends

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Firefox connection upgrades - HTTP to HTTPS

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