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Learn how to protect your privacy and secure your data.

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Common Myths about Private Browsing

Avoid and report Mozilla tech support scams

Enhanced Tracking Protection in Firefox for desktop

Insecure connection password warning in Firefox

Third-party trackers

Firefox Password Manager - Alerts for breached websites

Add Firefox Relay to the Firefox password manager

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

Pop-up blocker settings, exceptions and troubleshooting

How to manage your camera and microphone permissions with Firefox

Delete browsing, search and download history on Firefox

How do I set up Sync on my computer?

Introducing Total Cookie Protection in Standard Mode

Private Browsing - Use Firefox without saving history

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

How does built-in Phishing and Malware Protection work?

Use a Primary Password to protect stored logins and passwords

Firefox security features warning on Linux

HTTPS-Only Mode in Firefox

Global Privacy Control

How do I turn on the Do Not Track feature?

Secure website certificate

Firefox Terms of Use FAQ

Manage technical and interaction data collection settings in Firefox

Manage Enhanced Tracking Protection exceptions

Manage daily usage ping data collection settings in Firefox

Search suggestions in Firefox

Firefox connection upgrades - HTTP to HTTPS

Protect privacy while using Web Authentication

Troubleshoot Firefox issues caused by malware

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

Automatically trust third-party root certificates

I found a fake Firefox update

Control personal device and local network permissions in Firefox

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

SmartBlock for Enhanced Tracking Protection

How do I choose what information to sync on Firefox?

Crash reports in Firefox for Desktop

Mixed content blocking in Firefox

How to use Firefox containers

Resist Fingerprinting

Site Information panel

Sponsors on the home page and New Tab page

Firefox DNS over HTTPS

Site Permissions panel

Oblivious HTTP (OHTTP) explained

Certificate contains the same serial number as another certificate

Share browser windows or your screen with sites you trust

How do I know the status of my sync?

How to stop Firefox from making automatic connections

Manage your logins with the Firefox Password Manager

DNS over HTTPS (DoH) FAQs

Total Cookie Protection and website breakage FAQ

Autofill logins on Firefox

Manage marketing data settings in Firefox for Desktop

Remove a synced device from your Mozilla account

How Firefox securely saves passwords

Disable Firefox Sync on a lost phone or tablet

Suspicious activity on my Mozilla account

Firefox privacy and security features

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

How Firefox Sync keeps your data safe even if TLS fails

Block deceptive content and dangerous downloads in Firefox

Privacy-Preserving Attribution

Block and unblock websites with parental controls on Firefox

How to stay safe on the web

Change your Mozilla account password

Mozilla service providers and partners

Change your two-step authentication device for your Mozilla account

Browsing history in Firefox - View the websites you have visited

Disable Firefox Sync

Primary Password is replacing Master Password

Disable password saving in Firefox

Encrypted Client Hello (ECH) - Frequently asked questions

How Review Checker preserves user privacy

Create secure passwords to keep your identity safe

Share data with Mozilla to help improve Firefox

How do I share Firefox between people on a computer?

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

Telemetry collection - Windows default browser trends

Recommended Firefox privacy and security settings for families

Disable credit card and payment method syncing across devices

Understand Encrypted Client Hello (ECH)

Data Loss Prevention

HTTPS-First upgrades to secure connections

Understand unexpected script warnings in Firefox

Firefox Homepage Lift Studies

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