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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

Introducing Total Cookie Protection in Standard Mode

Avoid and report Mozilla tech support scams

Private Browsing on Firefox for Android

Third-party trackers

Configure DNS over HTTPS protection levels in Firefox

Does Firefox share my location with websites?

Private Browsing in Firefox for iOS

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

Insecure connection password warning in Firefox

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?

Choose a strong password

HTTPS-Only Mode in Firefox

Enhanced Tracking Protection in Firefox for Android

Private Browsing - Use Firefox without saving history

Use a Primary Password to protect stored logins and passwords

Delete browsing, search and download history on Firefox

Global Privacy Control

Remote Content in Messages

How to manage your camera and microphone permissions with Firefox

Trackers and scripts Firefox blocks in Enhanced Tracking Protection

Telemetry collection and deletion

Pop-up blocker settings, exceptions and troubleshooting

Allow or block media autoplay in Firefox

How does built-in Phishing and Malware Protection work?

Secure your Mozilla account with two-step authentication

HTTPS-Only Mode in Firefox for Android

SmartBlock for Enhanced Tracking Protection

Enhanced Tracking Protection in Firefox for iOS

Automatically trust third-party root certificates

How do I choose what information to sync on Firefox?

Microsoft OAuth Authentication and Thunderbird in 2024

How to set up Firefox Sync in Firefox for Android

Introduction to End-to-end encryption in Thunderbird

Secure website certificate

Password Manager - Remember, delete and change passwords in Thunderbird

Firefox Password Manager - Alerts for breached websites

How to use Firefox containers

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

Mozilla Monitor - Frequently asked questions

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

Automatic Conversion of Google mail accounts to OAuth 2.0 Authentication

Firefox privacy and security features

Create secure passwords to keep your identity safe

Search suggestions in Firefox

How to generate a secure password in Firefox

Clear cookies and website data for a single domain in Firefox for Android

Instructions for obtaining a personal S/MIME certificate by creating a CSR

Share data with Mozilla to help improve Firefox

Mixed content blocking in Firefox

Clear browsing history in Firefox for iOS

About Firefox Desktop Attribution

My sign in was “blocked for security reasons” on Mozilla account

Mozilla account - Managing account data

What if I'm locked out of Two-Step Authentication?

How Firefox securely saves passwords

Autofill logins on Firefox

Sync bookmarks, logins and browsing history on Firefox for iOS

Set up a passcode and Face ID in Firefox for iOS

Secure Firefox passwords with device sign-in

Thunderbird Telemetry

OpenPGP in Thunderbird - HOWTO and FAQ

Resist Fingerprinting

Clear your browsing history and other personal data on Firefox for Android

Keep Private Browsing tabs open after exiting Firefox

Manage your logins with the Firefox Password Manager

Activate Firefox Relay - Mask your email address

Site Permissions panel

Total Cookie Protection and website breakage FAQ

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

Site Information panel

How Firefox Sync keeps your data safe even if TLS fails

Disable Firefox Sync

Turn on/off saved logins, login sync and login autofill in Firefox for Android

Block and unblock websites with parental controls on Firefox

How to stay safe on the web

Clear your browsing history in Firefox for Android

Using a Primary Password with Sync

How do I know the status of my sync?

Create an email mask through Firefox Relay

Recommended Firefox privacy and security settings for families

Resolve breaches with Mozilla Monitor

Encrypted Client Hello (ECH) - Frequently asked questions

Thunderbird Android Telemetry

Protect your Thunderbird passwords with a Primary Password

Customize Firefox Home on iOS

How is Facebook Container different from Multi-account Containers?

Remove a synced device from your Mozilla account

Changing your two-step authentication device for your Mozilla account

Browsing history in Firefox - View the websites you have visited

Primary Password is replacing Master Password

Disable email forwarding - Stop receiving emails sent through your masks

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

Primary Password is replacing Master Password in Thunderbird

How do I reset Mozilla VPN?

Disable password saving in Firefox

Global Privacy Control in Firefox for Android

How to stop Firefox from making automatic connections

Disable Firefox Sync on a lost phone or tablet

How do I share Firefox between people on a computer?

How do I enable the Firefox OS phone lock?

Master password requested but not set Redirect 1

Certificates

Why does Thunderbird warn me that my server don't use encryption?

Digitally Signing and Encrypting Messages

How Thunderbird’s scam detection works?

How can I digitally sign and encrypt emails?

Send usage data on Firefox mobile browsers

Change your Mozilla account password

Suspicious activity on my Mozilla account

Firefox Monitor

How do you use Adjust in Firefox?

Tracking Protection in Firefox Preview

"Certificate cannot be trusted" warning in Kazakhstan

My privacy settings were changed from Custom to Standard

Telemetry collection - Windows default browser trends

Grant camera access to Firefox for Android

Use Web Apps with Firefox for Android

OpenPGP Recipient Alias Configuration

Usage Data Changes for Firefox for iOS and Android

Install the Firefox Relay extension on Firefox for desktop

What to do after a data breach

Unsafe properties of OpenPGP keys might be ignored

Search your browsing history in Firefox for iOS

Recommended Firefox extensions for families and students

Disable credit card and payment method syncing across devices

Block deceptive content and dangerous downloads in Firefox

How does Firefox for iOS use the permissions it requests?

How do I monitor multiple email addresses?

Firefox accounts renamed Mozilla accounts - What you need to know

Understand Encrypted Client Hello (ECH)

Unlink your Google or Apple ID from your Mozilla account

Data broker scan

Monthly Monitor Report Email

Generate strong passwords in Firefox for Android

Securing a New Partner for Monitor Plus

OpenPGP in Thunderbird for Android - How To

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