April 16, 2010"Google Chrome"-like option for blocking repetitive alert() and confirm() dialogs. Gets rid of spam dialogs and other infinite loops!  |
April 13, 2010Ever needed to restart Firefox after enabling or disabling an extension, switching to a new theme, or modifying configuration files (such as userChrome.css or user.js)?  |
March 20, 2010The Load Time Analyzer allows developers to measure and graph how long web pages take to load in Firefox...  |
March 11, 2010Inspect the current element with the DOM Inspector.  |
February 28, 2010Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier. |
February 14, 2010Validates a page using the W3C RSS Validator.  |
February 01, 2010DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within. |
January 31, 2010Fangs renders a text version of a web page similar to how a screen reader would read it. The ambition is to help developers understand how an assistive device would present a website and thereby increase chances of finding accessibility issues early.  |
January 30, 2010A Firebug extension for Flash. Displays all the running .SWF file trace output. Requires Flash Player Debugger to work properly. Also display AMF data to and from the server. Requires Firebug 1.4+.  |
January 30, 2010Stylesheet modifier in the Sidebar. |
