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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

Third-party trackers

Configure DNS over HTTPS protection levels in Firefox

Does Firefox share my location with websites?

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

Avoid and report Mozilla tech support scams

Set up two-factor authentication on your Mozilla account

Insecure connection password warning in Firefox

Global Privacy Control

Protect privacy while using Web Authentication

How do I set up Sync on my computer?

How do I turn on the Do Not Track feature?

Private Browsing - Use Firefox without saving history

Firefox Password Manager - Alerts for breached websites

Introducing Total Cookie Protection in Standard Mode

Delete browsing, search and download history on Firefox

How to manage your camera and microphone permissions with Firefox

HTTPS-Only Mode in Firefox

Pop-up blocker settings, exceptions and troubleshooting

Use a Primary Password to protect stored logins and passwords

How does built-in Phishing and Malware Protection work?

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Privacy-Preserving Attribution

Troubleshoot Firefox issues caused by malware

Automatically trust third-party root certificates

SmartBlock for Enhanced Tracking Protection

Telemetry collection and deletion

How do I choose what information to sync on Firefox?

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

Mixed content blocking in Firefox

Search suggestions in Firefox

DNS over HTTPS (DoH) FAQs

Site Information panel

I found a fake Firefox update

How to use Firefox containers

Secure Firefox passwords with device sign-in

Firefox DNS over HTTPS

Resist Fingerprinting

How to stop Firefox from making automatic connections

How Firefox securely saves passwords

Browsing history in Firefox - View the websites you have visited

Certificate contains the same serial number as another certificate

Total Cookie Protection and website breakage FAQ

Firefox privacy and security features

Secure website certificate

Site Permissions panel

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

Firefox connection upgrades - HTTP to HTTPS

Change your Mozilla account password

Disable Firefox Sync

Disable password saving in Firefox

Remove a synced device from your Mozilla account

Manage your logins with the Firefox Password Manager

Firefox Subprocessor List

How Firefox Sync keeps your data safe even if TLS fails

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

Understand Encrypted Client Hello (ECH)

HTTPS-First upgrades to secure connections

How to stay safe on the web

How do I know the status of my sync?

Autofill logins on Firefox

Telemetry collection - Windows default browser trends

Unlink your Google or Apple ID from your Mozilla account

Block and unblock websites with parental controls on Firefox

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

Share data with Mozilla to help improve Firefox

How do I share Firefox between people on a computer?

Suspicious activity on my Mozilla account

About Firefox Desktop Attribution

How do you use Google Firebase in Firefox?

Recommended Firefox privacy and security settings for families

Encrypted Client Hello (ECH) - Frequently asked questions

Disable Firefox Sync on a lost phone or tablet

"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

Compatibility with Exploit protection on Windows

Primary Password is replacing Master Password

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Placeholder Bug 1947157

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