FireLogger Requires Restart
Logging support for web developers (PHP, Python, ColdFusion)
IP to Geolocation Requires Restart
IP to Geolocation
jQuery Requires Restart
jQuery and jQuery UI embedded in browser
Color tool converting and providing information about any color.
Eat My Cookies Requires Restart
Delete site cookies with one click. Eat My Cookies is the easiest, fastest, and most effective cookie extension for Firefox.
A very simple add-on for load script file on-the-fly.
Support to load script file when page ready.
YSlow Requires Restart
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.
Tell websites your browser is a phone. Very handy for dial-up connections, or just to speed up browsing. Simple, small, and fast. Go Mobile.
URL Shortner clck.pw Requires Restart
Site on shortening yours of links. From link length make the short.
Set custom User-Agent string. Also available for Firefox on Android.
a basic add-on
Rainbow Color Tools Requires Restart
Color tools for web development.
Color picker and eyedropper + saving colors and trying out colors with drag and drop.
OAA Accessibility Extension Requires Restart
Testing and demonstration of the the features of the OpenAjax Alliance (OAA) Accessibility Evaluation Library API, Rules and Rulesets for evaluating web content for compliance with requirements of the W3C WCAG 2.0 Success Criteria.
Allow add news presets for used in the responsive UI tool. Include name, width and heigth using local storage in your browser. This addons provide a custom presets for the responsive UI tool, that can be installed in preferences option.
NoWay Requires Restart
Turn on / off Flash, Silverlight, Java, Js, Css, Images, Cookies and Animations.
Allows rejects some urls by regular expression.
A simple tool to help you check xml document in Firefox.
a helper of PHP function cache tool
Simple keyboard containing many special characters, click on any character to copy it to clipboard.