About this Collection
71 Add-ons in this Collection
Create and manage add-ons made from Greasemonkey and Scriptish user scripts
The main goal allows users to open (and in some cases edit) page source with external applications.
IDE for FireFox plug-in developers and business analysts who create User Interface mock-ups. A WYSIWYG XUL editor
Syntax highlighting for the Firebug command line using Ace.
Fuzzy auto completion
Feature rich XPath generator, editor, inspector and simple extraction tool...
FireLESS allows Firebug to display the original LESS file name and line number of LESS-generated CSS styles.
It currently requires a patched version of LESS available at https://github.com/simonedeponti/less.js.
Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.
Holmes is stand-alone diagnostic CSS stylesheet that can highlight potentially invalid, inaccassible or erroneous HTML(5) markup by adding one class.
Provides searchable reference information and code examples for HTML and CSS
A simple add-on for extension testers, especially AMO editors and developers who plan to submit their add-ons to AMO.
A tool for generating structured descriptor documents for HTTP accessible resources. HTML+RDFa based Linked Data is the default Descriptor Document format. Other formats are available via page hosted links or content negotiation.