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Featured Articles

Captive portal detection

Captive portal detection

Description of how Firefox detects captive portal networks.

Add-on Badges

Add-on Badges

You’ll know if an extension is being regularly reviewed if it has one of the badges listed in this article.

How to troubleshoot time related errors on secure websites

How to troubleshoot time related errors on secure websites

Learn why you might see time-related errors on HTTPS websites and how you can troubleshoot these errors by correcting your system clock.

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.

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