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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

Avoid and report Mozilla tech support scams

Insecure connection password warning in Firefox

Does Firefox share my location with websites?

Configure DNS over HTTPS protection levels in Firefox

Add Firefox Relay to the Firefox password manager

HTTPS-Only Mode in Firefox

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

How to manage your camera and microphone permissions with Firefox

Manage technical and interaction data collection settings in Firefox

Firefox Password Manager - Alerts for breached websites

Protect privacy while using Web Authentication

Private Browsing - Use Firefox without saving history

Firefox security features warning on Linux

How do I set up Sync on my computer?

Delete browsing, search and download history on Firefox

Pop-up blocker settings, exceptions and troubleshooting

Introducing Total Cookie Protection in Standard Mode

Global Privacy Control

How do I turn on the Do Not Track feature?

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

How does built-in Phishing and Malware Protection work?

Troubleshoot Firefox issues caused by malware

Secure website certificate

SmartBlock for Enhanced Tracking Protection

Privacy-Preserving Attribution

How do I choose what information to sync on Firefox?

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

Automatically trust third-party root certificates

Firefox connection upgrades - HTTP to HTTPS

How to use Firefox containers

Use a Primary Password to protect stored logins and passwords

Search suggestions in Firefox

Resist Fingerprinting

I found a fake Firefox update

Mixed content blocking in Firefox

Site Information panel

Crash reports in Firefox for Desktop

Change your Mozilla account password

Share browser windows or your screen with sites you trust

How Firefox securely saves passwords

Autofill logins on Firefox

Manage daily usage ping data collection settings in Firefox

Certificate contains the same serial number as another certificate

DNS over HTTPS (DoH) FAQs

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

Manage your logins with the Firefox Password Manager

Firefox DNS over HTTPS

Firefox privacy and security features

How to stop Firefox from making automatic connections

Disable Firefox Sync on a lost phone or tablet

Disable Firefox Sync

Site Permissions panel

Total Cookie Protection and website breakage FAQ

How Firefox Sync keeps your data safe even if TLS fails

Browsing history in Firefox - View the websites you have visited

How to stay safe on the web

Remove a synced device from your Mozilla account

Recommended Firefox privacy and security settings for families

Disable password saving in Firefox

Manage marketing data settings in Firefox for Desktop

HTTPS-First upgrades to secure connections

Block and unblock websites with parental controls on Firefox

How do I know the status of my sync?

Change your two-step authentication device for your Mozilla account

Oblivious HTTP (OHTTP) explained

How do I share Firefox between people on a computer?

Firefox service providers and partners

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Encrypted Client Hello (ECH) - Frequently asked questions

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

Create secure passwords to keep your identity safe

Share data with Mozilla to help improve Firefox

Suspicious activity on my Mozilla account

About Firefox Desktop Attribution

How do you use Google Firebase in Firefox?

"Certificate cannot be trusted" warning in Kazakhstan

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

Understand Encrypted Client Hello (ECH)

Data Loss Prevention

How Review Checker preserves user privacy

Firefox Terms of Use FAQ

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