Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
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63 matching results
Library Detector No Restart
IDE for FireFox plug-in developers and business analysts who create User Interface mock-ups. A WYSIWYG XUL editor
View Source In Dreamweaver is a new companion for web developers to open up any web page HTML source with Adobe Dreamweaver via a single and quick mouse click.
NoScript Security Suite Featured
The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.
The main goal allows users to open (and in some cases edit) page source with external applications.
The Web Developer extension adds various web developer tools to the browser.
Firebug command line autocomplete.
IP Whois Lookup & Website Reviews & Rating. Display country flag indicating website location. Alexa and Norton Antivirus Site Adviser. Supported: GoDaddy, NetworkSolutions, Dotster, 1and1, NameCheap, Register, Yahoo, 123-Reg, FatCow, Enom, FastHosts.
View Dependencies adds a tab to the Page Info window, in which it lists all the files which were loaded to show the current page.
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
Toggle JS No Restart
Good Website Inspector is an extended ruleset for YSLOW, a Firefox AddOn, to check source codes of HTML pages to get easy and fast hints to optimize the current page.
A suite of tools for developers.
Record, bookmark and replay your browser activities in a snap with DéjàClick. Designed for Firefox, DéjàClick can handle the most complex websites - including AJAX, Flash, forms and more. With a single click you can repeat your most common tasks.