FireRainbow

Javascript syntax highlighting for Firebug

Console2 (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console2 website.

Firebug plugin for jQuery development

Detects what javascript libraries are being used on the current page and displays the result as icons with detailed tooltips in the statusbar. Currently supports jQuery, jQuery UI, Prototype, Scriptaculous, Dojo, YUI, Qooxdoo, MooTools and Spry.

All browsers include a "View Source" option, but none of them offer the ability to view the source code of external files. Most websites store their javascripts and style sheets in external files and then link to them within a web page's.

Eyesight is the most efficient way for the human brain to process information. By placing visual boundaries where they already exist invisibly, Source Charting enables you to take in DOM structure and hierarchy as fast as your brain possibly can.

Screen Capture Elite lets you copy or save any visible, complete or selected region or a webpage and save it as a jpeg or png image file.

Adds a small color picker dialog when editing a CSS rule in Firebug. The addon scans for values that can be parsed as CSS colors (#abc, rgb(1,2,3), blue, red etc.) and displays them in a drop-down list right below the firebug's CSS editor box. Clicking on the color value in the drop-down brings up a color picker dialog.

FireShot is a extension for Firefox and Internet Explorer that captures, edits, annotates, organizes, exports and prints screenshots of your web pages.

Resize small textareas.

This extension will allow you to easily control cookie permissions. It will appear on your statusbar. Just click on the icon to allow, block, or temporarily allow the site to set cookies. You can also view or clear the cookies and exceptions by right clicking on the statusbar icon. For safer browsing you may choose to deny cookies globally and then enable them on a per site basis.

The Ultimate Free-Image Finder addon helps find Free Stock Photographs. It includes over 200 sources of free stock photos and other free images.

Monitor all your Google Analytics profiles in the status bar.

With this extension you can quickly paste any type of text to the website http://pastebin.com The extension installs a small icon in your browser. When you highlight any text in Firefox and press the 'Pastebin' button, it will automatically paste the selected text into the textarea. When you press submit you will be presented with a unique URL where you can find your pasted text. You can customize the extension via the Options panel.
Viewstate size
ViewstateSize is a Firefox addon which displays the size of the viewstate on the current asp.net page you are seeing.

XPath Checker 0.4.4
An interactive editor for XPath expressions. Choose 'View XPath' in the context menu and it will show the editor. You can edit the XPath expression and it incrementally updates the results.


Create and run cronjobs with FireFox. This extension will call any url, local or remote, in user defined times and intervals.

Displays the size (in px), font-family (the one chosen by Firefox from the font-family listing), font-style, font-weight, and font-variant of selected text in the context menu. Also displays the downloadable font files for the font if specified by a @font-face rule.

SaveMemory can reduce Firefox's memory and CPU use by more than 80%!! If you browse with multiple tabs, you need SaveMemory. It lets you pause unused tabs to free up memory and end unnecessary processor usage. It makes Firefox faster and snappier!

Highlights the rendered font-family from the list of font-families for a CSS 'font' or 'font-family' property in Firebug's CSS panel.

The W3Techs extension shows with one mouse click which web technologies the current site is using. The technologies shown include content management systems, server-side and client-side programming languages, JavaScript libraries, markup languages, character encodings, web servers, operating systems, traffic analysis tools and advertising networks. Additionally, you get background information and warnings on potential quality problems of the site.

Firebug command line autocomplete.

This extension allows you to change any style of sites that you visits.

SEO Doctor allows easy SEO diagnosis and problem solving for webmasters.

DOM Element Counter is a tiny addon which counts all the HTML elements available in the DOM after the DOMContentLoaded event is fired. This is exactly how search engines will interpret and index your site. The addon gives a notice when there is more than one h1 element (optional).

Seerobots let's you easily see the websites Meta-Robots (index or noindex and follow or nofollow) and X-Robots configuration. When you are working on the onpage SEO (search engine optimization) it is very important these days to decide which pages get indexed by Google and which don't. Opening the source code of each website and looking for the robots-tag takes a lot of time. This Firefox-Addon will therefore save you a lot of time by displaying this important information in the status bar of your browser. Meta-Robots information are displayed instantly. To see the X-Robots informations you have to klick where it says "[Click]"
Reference & Edit