Ever since we started releasing home-brewed Firefox extensions here at Lifehacker, several readers have asked: How difficult is it to build a Firefox extension? For someone with a bit of programming ...

Like many Linux Journal readers, Firefox is my browser of choice. One of its core strengths is the number of available extensions. Early extensions were focused around merely changing the look of the ...

If you want to develop browser extensions for Chrome, Safari, Firefox, Opera, and other browsers, you’ve probably seen the phrase ‘WebExtension’ in support documents. Even though WebExtensions and ...

If you're a Firefox extension developer who hasn't made the switch to Firefox 3, Mozilla wants you to know what you need to change. On the other hand, if you have a favorite extension stuck in Firefox ...