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 ...

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 ...

Mozilla has released Firefox 16, which is short on new features for general users, but offers web developers some useful new tools for building and debugging websites.

Apps Firefox 31 beta arrives with search on new tab page, revamped developer tools, and Android runtime improvements ...

The new performance tools are supposed to make it easier to build fast, interactive websites and web apps. Full details for developers are available here.

The Firefox Developer edition features plenty of developer tools and extensions built right into the browser. WebIDE is the replacement for App Manager, and lets you build fully functioning ...

Mozilla is planning to add several new web-development tools to Firefox in 2012. Eventually these built-in tools may even be enough to replace the popular Firebug add-on for most developers.

We show to you how you can identify what font a web page on Chrome, Edge and Firefox is using through Inspect Element in Developer Tools.

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 ...

I have already reviewed some great SEO features of FireBug FireFox extension – and today I am looking at another awesome multi-feature addon. Web Developer Toolbar allows for a huge number of ...

For developers, however, this update is a bit more interesting. In total, this new version of Firefox includes 85 improvements to the browser's built-in developer tools.

The latest version of Firefox, released a mere six weeks after version 6, may not appear to have changed much, but there are a few useful, subtle changes to be found.