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 ...

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 ...

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 ...

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Following the release of Firefox 30 just two days ago, Mozilla today updated its Firefox Beta channel to version 31 for Windows, Mac, Linux, and Android. The company tells TNW that the release is ...

A typical web page generally consists of several different elements with most of them coded in different colors and written in different fonts and styles. Sometimes, we come across web pages so ...

Mozilla is launching Firefox 16 today. While this version of the browser only introduces a few new features for consumers, developers can look forward to using Firefox’s new Developer Command Line.

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, ...

Mozilla has released its final version of Firefox 7, introducing subtle changes such as hidden URL prefixes, bug fixes and under-the-hood improvements. Rolled out six weeks after Mozilla shipped ...