Mozilla today announced the Firefox OS App Manager, a new developer tool that will ship with Firefox 26. It is designed to help developers build and debug Firefox OS apps, either in the Simulator or ...

As promised, Mozilla today launched Firefox Developer Edition, which it is calling “the first browser created specifically for developers.” The company wants to solve a very big problem developers ...

Mozilla has released Firefox 16, which gives web developers several cool new tools for building and debugging websites. Current Firefox users will get the update the next time Firefox restarts. If you ...

Firefox has just added built-in developer tools that rival Chrome’s own offerings. The new tools provide a clean and easy way to inspect elements in a single window. More specifically, it’s now much ...

John Barton has led work on Firebug, a Firefox extension widely used in developing Web sites. Now he's moved to Chrome, reflecting the new balance of browser power. Stephen Shankland worked at CNET ...

Mozilla has launched a bunch of new built-in developer tools for Firefox, and the new tools are designed to let developers change the look and feel of websites in real time. These tools are aimed at ...

Another feature developers asked for is a Chrome- and Firebug-like network panel and timeline; the team already developed a prototype that makes it easier to see how a web app uses the network. The ...

If you're a developer, Firefox extensions can help you get more out of your work. Here's a list of 15 add-ons that are all worth trying out. CNET contributor Don Reisinger is a technology columnist ...

I am, by profession, a web developer, and out of my own experience, I can tell you that whatever code a person writes is never perfect. It needs a lot of refinement and a lot of optimization. There ...

Firefox is poised to deliver some new tools for web developers. When Firefox 10 is released in early 2012 it will add HTML and CSS inspectors designed to help web developers inspect and debug their ...

Windows/OS X/Linux: Firefox has always been a great browser for development, but this week Mozilla's released Firefox Developer Edition: a browser packed with developer-friendly features like WebIDE, ...

A new version of Firefox used to be a big deal, but since Mozilla switched to a rapid release schedule, these updates are becoming pretty routine. Today, Mozilla launched Firefox 12. For most users, ...