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Learn how to protect your privacy and secure your data.

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Troubleshoot network errors when TLS key logging is enabled

Avoid and report Mozilla tech support scams

Firefox Terms of Use FAQ

Use built-in VPN in Firefox

Third-party trackers

Insecure connection password warning in Firefox

Enhanced Tracking Protection in Firefox for desktop

Does Firefox share my location with websites?

How Private Windows protect you

Automatically fill in credit and debit card payment methods data on web forms

Firefox Password Manager - Alerts for breached websites

How do I turn on the Do Not Track feature?

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Firefox security features warning on Linux

Use a Primary Password to protect stored logins and passwords

How does built-in Phishing and Malware Protection work?

Introducing Total Cookie Protection in Standard Mode

Troubleshoot Firefox issues caused by malware

How to use Firefox containers

Manage remote improvements settings in Firefox

Firefox connection upgrades - HTTP to HTTPS

Resist Fingerprinting

Pop-up blocker settings, exceptions and troubleshooting

Control personal device and local network permissions in Firefox

Protect privacy while using Web Authentication

Add Firefox Relay to the Firefox password manager

Search suggestions in Firefox

HTTPS-Only Mode in Firefox

How do I set up Sync on my computer?

Sponsors on the home page and New Tab page

Configure DNS over HTTPS protection levels in Firefox

Share browser windows or your screen with sites you trust

How to stop Firefox from making automatic connections

Private Browsing - Use Firefox without saving history

How to manage your camera and microphone permissions with Firefox

Remove a synced device from your Mozilla account

Manage technical and interaction data collection settings in Firefox

Oblivious HTTP (OHTTP) explained

Change your Mozilla account password

Mozilla service providers and partners

Site Permissions panel

Unable to find the built-in VPN in Firefox

Delete browsing, search and download history on Firefox

Firefox DNS over HTTPS

Autofill logins on Firefox

Total Cookie Protection and website breakage FAQ

Global Privacy Control

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

Crash reports in Firefox for Desktop

How Firefox securely saves passwords

Manage your logins with the Firefox Password Manager

Firefox privacy and security features

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

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

Certificate contains the same serial number as another certificate

Disable Firefox Sync on a lost phone or tablet

Mixed content blocking in Firefox

I found a fake Firefox update

How do I know the status of my sync?

Change your two-step authentication device for your Mozilla account

SmartBlock for Enhanced Tracking Protection

Recommended Firefox privacy and security settings for families

Automatically trust third-party root certificates

Manage daily usage ping data collection settings in Firefox

Block and unblock websites with parental controls on Firefox

How do I choose what information to sync on Firefox?

How Firefox Sync keeps your data safe even if TLS fails

DNS over HTTPS (DoH) FAQs

Disable password saving in Firefox

Encrypted Client Hello (ECH) - Frequently asked questions

Manage marketing data settings in Firefox for Desktop

HTTPS-First upgrades to secure connections

Harmful add-on protection

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?

How to stay safe on the web

Secure website certificate

Site Information panel

Suspicious activity on my Mozilla account

About Firefox Desktop Attribution

"Certificate cannot be trusted" warning in Kazakhstan

Browsing history in Firefox - View the websites you have visited

Disable Firefox Sync

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

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

Understand Encrypted Client Hello (ECH)

Data Loss Prevention

Privacy-Preserving Attribution

Manage Enhanced Tracking Protection exceptions

Understand unexpected script warnings in Firefox

Firefox Homepage Lift Studies

Use breach alerts in Firefox

Statistics for Firefox Homepage Sponsors

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