To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
This plugin adds three links to Firefox's context menu that lookup the selected IP address at Project Honey Pot, Utrace, spamhaus, senderbase,...
Reupload an image to cdnpic.com by right clicking on an existing image.
The facility to upload pictures faster than ever!
Bridges the HTML5 Web SQL Database API to tabular XMLA (XML for Analysis) data sources.
YSlow extension to measure how good or bad a page is according to Google web metrics
The Ultimate Browser Addon to easily find completely Free Stock Photos, Textures, Clipart and Illustrations. Find free stock photos from over 200 free imagery websites.
Find and experiment with xpath in web pages easily.
Easy and fast image uploading from a simple right click.
Tellurium IDE is a Firefox plugin to record user actions, automatically generate Tellurium DSL script, and play test scripts.
A tool for usability inspections, based on the WDP technique (http://goo.gl/VPthb).
Unzip this file (http://goo.gl/jahlK) at Mozilla Firefox installation folder (usually C:/Program Files/Mozilla Firefox) for full functionality.
A toolbar for Mobile WebDevelopers, lets you quickly validate your code, check renders and find documentation.
Are you tired of over and over again looking for all the html/php/js-files you are working on in your web application? Then this add-on can help you and save loads of time by launching the files in your editor for you. Just select and launch...
A plugin for Selenium-IDE to show a find toolbar in the log pane making it easy to search the displayed log messages
A simple Rich Text Editor that support Maths and Graphics editing
Allows you to hover over elements in a SproutCore Application and click to get their property path...
When you run into "Server not found" error it usually means that the domain has not been registered jet. This addon will check the domain availability and provide you with registration links of the most popular domain registrars on that error page.
ReplayDIRECTOR for Mozilla Firefox is an add-on which can capture screenshots while browsing, and allows for the creation of Replay Markers. See http://replaysolutions.com for more info!
Firebug command line autocomplete.
Access free webmaster tools and other useful resources like fonts, icons, directory and plug-ins directly from your web browser.
Change the colors of web sites. With the move of some sliders, you change the foreground and background colors of a site.
Watch the video for a short introduction.