- Any Firefox
- Firefox 48.0
- Firefox 26.0
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- Firefox 18.0
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- Firefox 16.0
- Firefox 14.0
- Firefox 11.0
- Firefox 5.0
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28 matching results
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.
Displays JSON data in a collapsible tree structure with syntax highlights.
Shows all source files of a webpage.
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.
Compatibility Detector for Firefox No Restart
Web Developer Featured
The Web Developer extension adds various web developer tools to the browser.
Library Detector No Restart
Firebug command line autocomplete.
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
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/.