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Captive portal detection

Description of how Firefox detects captive portal networks.

See how reliable product reviews are when you shop online using Review Checker in Firefox.

The built-in Firefox full page translation feature allows you to seamlessly browse the web in your preferred language. Learn more.

DoH improves privacy by hiding domain name lookups from anyone lurking on public Wi-Fi, your ISP or others on your local network. Learn more.

We have outlined a list of FAQs here that you may find helpful while getting up to speed with all that DNS-over-HTTPS (DoH) has to offer.

You may see a warning that the installer could harm your device when attempting to download Firefox from another browser. Learn more.

Learn about update notifications on Windows that let you know when a brand-new Firefox version is available, even if Firefox is closed.

The Firefox menu panel no longer has a Text Encoding submenu. It is still available in the Menu bar View menu and as an optional toolbar button.

Learn how to copy text from images in Firefox for MacOS.

Mozilla has launched Mozilla.social, a publicly accessible instance in the Fediverse on Mastodon.

Got a web development question? Need help with Developer Edition? MDN Web Docs has all the resources you need to help build a better web.

Mozilla Connect is a space to give product feedback, share ideas for new features, and participate in conversations about Mozilla products.