Search Results for tag "css"

Web Developer Featured

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

Rated 5 out of 5 stars (217)
567,444 users


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)
69,897 users

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 (66)
33,929 users

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)
140,895 users

Firefinder for Firebug

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

Rated 3 out of 5 stars (28)
22,694 users

CSS Usage

Firebug extension to view which CSS rules are actually used.

Rated 4 out of 5 stars (38)
22,071 users


LiveReload refreshes a web page when files change.

This extension is deprecated. The latest version is available at

Rated 4 out of 5 stars (12)
4,342 users


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)
3,443 users

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 (65)
7,177 users

CSS Reloader

CSS Reloader is an extension that allows you to reload all the CSS of any site without you have to reload the page itself.

Rated 4 out of 5 stars (37)
6,717 users


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)
5,853 users

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)
1,867 users


custom additions to Stylish extension.
brings back features from 0.5.9 and adds new features

I can't be bothered to change SC, so amo will allow it to be uploaded

Rated 4 out of 5 stars (36)
2,459 users

Personas Interactive Theme Engine

Created by where you can Build Your Own Browser Theme. Remove the limits of Personas. Get unlimited Personas, legible text; use with Firefox themes installed. Create your own Personas gallery; full CSS3 backgrounds, and more

Rated 2 out of 5 stars (36)
14,767 users


Display horizontal and vertical floating guides, exactly the way you use it in photoshop. Helps improving layout, placing elements in proper grids, laying out elements symmetrically and structure a design.

Rated 4 out of 5 stars (19)
5,143 users

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)
2,469 users

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)
3,905 users

CSS Refresh No Restart

Reload CSS without having to refresh the page.

Rated 2 out of 5 stars (15)
931 users

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)
1,574 users

View Source

Shows all source files of a webpage.

Rated 4 out of 5 stars (6)
1,202 users