- Any Firefox
- Firefox 48.0
- Firefox 26.0
- Firefox 18.0
- Firefox 17.0
- Firefox 14.0
- Firefox 11.0
- Firefox 5.0
- Firefox 4.0
- Firefox 3.6
26 matching results
Web Developer Featured
The Web Developer extension adds various web developer tools to the browser.
IDE for FireFox plug-in developers and business analysts who create User Interface mock-ups. A WYSIWYG XUL editor
Library Detector No Restart
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.
Firebug command line autocomplete.
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.
A suite of tools for developers.
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
"Google Chrome"-like option for blocking repetitive alert(), confirm() and prompt() dialogs. Gets rid of spam dialogs and other infinite loops!
Shows all source files of a webpage.
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.
WatchPug is an extension checking your website documents for validation errors. Find more information at http://watchpug.com/.