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Featured Articles

Common Myths about Private Browsing

Common Myths about Private Browsing

Learn more about common misconceptions about Private Browsing in Firefox.

Back up and transfer your Firefox data to a new device

Back up and transfer your Firefox data to a new device

Learn how to transfer your browser data when switching devices using Firefox Sync. Back up your bookmarks, history, passwords, etc. with your Mozilla account.

Secure connection failed and Firefox did not connect

Secure connection failed and Firefox did not connect

If a website requires a secure connection that cannot be established, Firefox will not connect to protect you and will show you an error page. Learn more.

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

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