Search Results for tag "css"


Provides global user stylesheet.

Not yet rated
117 users
Updated September 6, 2015

DOM Inspector

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Rated 5 out of 5 stars (65)
154,520 users
Updated July 9, 2015

CSS Usage

Firebug extension to view which CSS rules are actually used.

Rated 4 out of 5 stars (38)
24,665 users
Updated May 27, 2015


FirePath is a Firebug extension that adds a development tool to edit, inspect and generate XPath 1.0 expressions, CSS 3 selectors and JQuery selectors (Sizzle selector engine).

Rated 4 out of 5 stars (22)
87,297 users
Updated December 6, 2014

Color That Site!

Change the colors of web sites. With the move of some sliders, you change the foreground and background colors of a site.

Watch the video for a short introduction.

Rated 4 out of 5 stars (66)
7,512 users
Updated November 3, 2014

View Source

Shows all source files of a webpage.

Rated 4 out of 5 stars (6)
1,382 users
Updated September 19, 2014

Font Finder Featured

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Rated 4 out of 5 stars (67)
39,040 users
Updated July 7, 2014

Compatibility Detector for Firefox No Restart


Rated 2 out of 5 stars (3)
129 users
Updated December 10, 2013

Web Developer Featured

The Web Developer extension adds various web developer tools to the browser.

Rated 5 out of 5 stars (218)
638,054 users
Updated May 5, 2013

Web Design Search Plugin

Add this powered by Google search engine to your search bar, and search within web design blogs and websites.

Not yet rated
5 weekly downloads
Updated April 17, 2013

Customize Your Web

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.

Rated 4 out of 5 stars (69)
2,118 users
Updated April 8, 2013

Firefinder for Firebug

Finds HTML elements matching chosen CSS selector(s) or XPath expression

Rated 3 out of 5 stars (28)
26,403 users
Updated March 27, 2013

View Source In Dreamweaver

View Source In Dreamweaver is a new companion for web developers to open up any web page HTML source with Adobe Dreamweaver via a single and quick mouse click.

Rated 3 out of 5 stars (7)
1,682 users
Updated February 22, 2013


The Web. Displayed Your Way.
Click to zap away rubbish.
Hack out the noise, read, print in peace.
* Widen Elements & Text.
* Save the changes to Stylish.
* Remove Sidebars & Ads.
* Black on White.
* Isolate.
User empowerment (bsd on aardvark)

Rated 5 out of 5 stars (35)
6,135 users
Updated October 22, 2012


A quick, easy method to copy the full html tag for elements on a web page. Simply right click on the element you want to copy, click TextToTag, then paste the full html source wherever you like.

Rated 2 out of 5 stars (2)
48 users
Updated September 21, 2011

Mobile toolkit

A toolbar for Mobile WebDevelopers, lets you quickly validate your code, check renders and find documentation.

Rated 3 out of 5 stars (6)
2,183 users
Updated September 5, 2011

FireStylus for Firebug

FireStylus is a Firebug extension that makes Firebug display the Stylus filename and line numbers of the Stylus-generated CSS styles rather than those of the generated CSS.

Rated 1 out of 5 stars (1)
531 users
Updated September 2, 2011

Print Preview Button

Adds a print preview toolbar button. After installing the extension, find the print preview button in the toolbar customization...
Print Preview in Firefox only available in Windows

Rated 5 out of 5 stars (7)
4,291 users
Updated August 16, 2011


An editor with real time syntax highlighting which allows edit, run and test CSS, HTML and JavaScript code. Phoenix will tell you how many CSS and JS files are loaded into a page, how big these are, it will let you edit, pack and de-obfuscate them.

Rated 4 out of 5 stars (42)
3,998 users
Updated June 29, 2011

Good Website Inspector

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.

Rated 5 out of 5 stars (1)
2,925 users
Updated June 12, 2011