100 matching results
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
Whois Lookup & Hosting & DNS & Site Flags Firefox Requires Restart
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.
JS Switch Requires Restart
SettingSanity Requires Restart
Scriptish Requires Restart
The greatest user script engine on the Internet (a fork of Greasemonkey).
Developer Assistant Requires Restart
A suite of tools for developers.
Blocks desired HTML contents (script, style, image, object, media)
An Addon for Detecting Malicious and Suspicious Webpages.
Cross-browser test websites in the most popular browsers such as Internet Explorer, Chrome, Firefox, Safari and Opera. Try for free!
JSON-DataView Requires Restart
Displays JSON data in a collapsible tree structure with syntax highlights.
Customize Your Web Requires Restart
Customize Your Web (CYW) let's you customize your favorite websites with just a few clicks. What Greasemonkey is for developers is CYW for non-developers. You can remove/rearrange /modify elements, add keyboard shortcuts and do many other things.
Firebug Autocompleter Requires Restart
Firebug command line autocomplete.
uc Requires Restart
A userChromeJS clone with built-in subscript/overlay loader capability.
Dafizilla ViewSourceWith Requires Restart
The main goal allows users to open (and in some cases edit) page source with external applications.