Firefox is a widely-used browser – not just by users but web developers. Simply put, Firefox and its addons can make developing for the web easier and simpler. And with the release of Firefox 4, it got even easier. This article features 20 essential Firefox 4 addons for web developers.
Before diving into the Firefox 4 addons, though, here’s a quick glimpse into some of the noteworthy new Firefox 4 features that benefit web developers: