Search Results for tag "css"

Stylish Tools Requires Restart

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 4 out of 5 stars (3)
701 users

Phoenix Requires Restart

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 (46)
687 users

Live Reload Compatible with Firefox 57+

Addon for web devs. Monitors included scripts, stylesheets and/or frames on a page for changes. Reloads the entire page or just the source file that was changed. — Firefox Quantum compatible.

Rated 4 out of 5 stars (7)
650 users

globalChrome.css Requires Restart

Provides global user stylesheet.

Not yet rated
561 users

View Source Requires Restart

Shows all source files of a webpage.

Rated 4 out of 5 stars (7)
550 users

Mobile toolkit Requires Restart

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

Rated 3 out of 5 stars (7)
471 users

CSS Toggler Compatible with Firefox 57+

Browser extension to quickly toggle CSS.

Rated 5 out of 5 stars (3)
468 users

User Style Manager

Easiest way to Add and Manage Custom User Styles in Firefox.
Add, Edit, enable, disable and delete in-numerous User Style Sheets to redesign the Firefox and the Web.

Rated 4 out of 5 stars (28)
462 users

DarkenBackground

replace white or very bright background on webpages with slightly darker colors

Rated 5 out of 5 stars (18)
312 users

PourBico Requires Restart

Speed up your testing and debugging times with PourBico. By intercepting HTTP requests, PourBico allows you to modify each response (headers and body) via inline edits or by replacing resources with local or external ones.

Rated 5 out of 5 stars (9)
303 users

CSS Grid Inspector

This tools is deprecated in favor of the built-in Firefox Developer Tools. See below for more information.

Not yet rated
285 users

StylRRR - Barebones Userstyle Injector

Lets you add userstyles ( website and browser themes) with a mini addon.

Rated 5 out of 5 stars (25)
278 users

Advanced Frame Designer Requires Restart

A tool to design frames directly in the web page. The integrated color picker supports also harmonic colors. Operating notes see the tooltips.

Rated 5 out of 5 stars (2)
265 users

CSS Reload Compatible with Firefox 57+

Simplifies stylesheets reload of the current page.

Rated 4 out of 5 stars (3)
258 users

Reddit (Au) Comment Highlights Compatible with Firefox 57+

Highlight unread comments since your last visit to a Reddit comment section.

Rated 5 out of 5 stars (3)
250 users

Dark Theme for Google News Compatible with Firefox 57+

Makes the layout of Google News dark while retaining the original feel.

Rated 5 out of 5 stars (5)
239 users

lmnpop Requires Restart

Pops elements as resizable windows.

Rated 4 out of 5 stars (20)
229 users

DevTools Prototyper

This add-on adds JS Fiddle style code prototyping to Firefox DevTools.

Rated 4 out of 5 stars (7)
221 users

CSS Refresh

Reload CSS without having to refresh the page.

Rated 2 out of 5 stars (14)
218 users

CSS Exfil Protection Compatible with Firefox 57+

Guard your browser against CSS Exfil attacks!

CSS Exfil is a method attackers can use to steal data from web pages using Cascading Style Sheets (CSS). This plugin sanitizes and blocks any CSS rules which may be designed to steal data.

Rated 5 out of 5 stars (2)
216 users