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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

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Add Firefox Relay to the Firefox password manager

Configure DNS over HTTPS protection levels in Firefox

Does Firefox share my location with websites?

Global Privacy Control

HTTPS-Only Mode in Firefox

How to manage your camera and microphone permissions with Firefox

Insecure connection password warning in Firefox

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

Secure website certificate

Firefox security features warning on Linux

How do I set up Sync on my computer?

Private Browsing - Use Firefox without saving history

Introducing Total Cookie Protection in Standard Mode

Firefox Password Manager - Alerts for breached websites

Use a Primary Password to protect stored logins and passwords

Delete browsing, search and download history on Firefox

How does built-in Phishing and Malware Protection work?

Protect privacy while using Web Authentication

Sponsors on the home page and New Tab page

How do I turn on the Do Not Track feature?

Manage technical and interaction data collection settings in Firefox

Firefox connection upgrades - HTTP to HTTPS

Troubleshoot Firefox issues caused by malware

Manage daily usage ping data collection settings in Firefox

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

Resist Fingerprinting

Firefox Terms of Use FAQ

Automatically trust third-party root certificates

SmartBlock for Enhanced Tracking Protection

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

Firefox DNS over HTTPS

Mixed content blocking in Firefox

Pop-up blocker settings, exceptions and troubleshooting

Site Information panel

How to use Firefox containers

I found a fake Firefox update

Search suggestions in Firefox

Share browser windows or your screen with sites you trust

Manage your logins with the Firefox Password Manager

How Firefox securely saves passwords

Disable Firefox Sync

Certificate contains the same serial number as another certificate

DNS over HTTPS (DoH) FAQs

Privacy-Preserving Attribution

Crash reports in Firefox for Desktop

Control personal device and local network permissions in Firefox

How to stop Firefox from making automatic connections

How do I choose what information to sync on Firefox?

Remove a synced device from your Mozilla account

Site Permissions panel

Recommended Firefox privacy and security settings for families

Disable password saving in Firefox

HTTPS-First upgrades to secure connections

Change your Mozilla account password

How do I know the status of my sync?

Autofill logins on Firefox

Browsing history in Firefox - View the websites you have visited

Total Cookie Protection and website breakage FAQ

Firefox privacy and security features

Sign in to a Mozilla account using 3rd-party authentication

Data Loss Prevention

Manage marketing data settings in Firefox for Desktop

Oblivious HTTP (OHTTP) explained

Manage Enhanced Tracking Protection exceptions

Disable Firefox Sync on a lost phone or tablet

Suspicious activity on my Mozilla account

How Firefox Sync keeps your data safe even if TLS fails

Encrypted Client Hello (ECH) - Frequently asked questions

How do I share Firefox between people on a computer?

How to stay safe on the web

Block and unblock websites with parental controls on Firefox

Create secure passwords to keep your identity safe

Share data with Mozilla to help improve Firefox

About Firefox Desktop Attribution

How do you use Google Firebase in Firefox?

Firefox service providers and partners

"Certificate cannot be trusted" warning in Kazakhstan

Change your two-step authentication device for your Mozilla account

Telemetry collection and deletion

My privacy settings were changed from Custom to Standard

Compatibility with Exploit protection on Windows

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

Understand Encrypted Client Hello (ECH)

How Review Checker preserves user privacy

Understand unexpected script warnings in Firefox

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