You already know about Firefox 3's marquee new features, but now it's time to dig deep and unearth the shortcuts, tweaks, and even Easter eggs that Mozilla marketing doesn't mention. In honor of ...

So, just like our other always up-to-date guides, we've created this power user's guide to Firefox, featuring all of our favorite advanced features, and which we'll keep updated every time a new ...

By creating a fresh profile, Firefox 4 won't have all the user data you've accumulated in Firefox 3, but there is a quick fix for this, too.

Let's start with the obvious. Firefox 4 UI Fixer is a handy add-on that introduces several interesting modifications to the browser's user interface, including the option to move the orange ...

Mozilla has launched an experiment where they change the Firefox browser user agent to a three-digit "Firefox/100.0" version to see if it will break websites.

Mozilla today released version 19 of its popular Firefox browser, and in the new version implemented a long-awaited built-in PDF viewer. Topher Kessler MacFixIt Editor Topher, an avid Mac user for ...

News Firefox surprises no one by adding AI to the browser In this case it's just making it easy to access third-party AI services. By Mark Hachman Senior Editor, PCWorld Feb 4, 2025 10:08 am PST ...

Firefox users who've installed a custom theme may bump into trouble if they upgrade to the latest version of the browser. Released earlier this week, Firefox 14 offers a few enhancements ...

The multi-process version of Firefox operates similar to Chrome. The idea is that if you separate web content from the user interface the program will be more stable and efficient.