Search Results for tag "css"


Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Rated 4 out of 5 stars (2,591)
907,910 users

Stylish - Custom themes for any website Compatible with Firefox 57+

Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.

Rated 4 out of 5 stars (1,258)
326,593 users

Web Developer Compatible with Firefox 57+

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

Rated 4 out of 5 stars (464)
268,036 users

FirePath Requires Restart

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 (43)
68,525 users

Print Edit WE Compatible with Firefox 57+ Featured

Edit the contents of a web page prior to printing or saving. Elements in the web page can be edited, formatted, hidden or deleted. Unwanted content, such as adverts and sidebars, can easily be removed.

Rated 3 out of 5 stars (133)
50,365 users

Stylus Compatible with Firefox 57+

Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.

Rated 4 out of 5 stars (159)
29,114 users

Empty Cache Button Compatible with Firefox 57+

Cache clearing made easy. One click.

Rated 4 out of 5 stars (125)
47,138 users

Font Finder (revived) Compatible with Firefox 57+ Featured

Get all CSS styles of selected text

Rated 5 out of 5 stars (44)
18,377 users

QuickJava (For FF Versions 56 AND BELOW only) Requires Restart

Obsolete as of FF 57, will leave here for users who have not "upgraded" to 57.
Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar.

Rated 5 out of 5 stars (204)
141,184 users

Mozilla Archive Format, with MHT and Faithful Save Requires Restart

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Rated 5 out of 5 stars (349)
79,988 users

Dark Purple Youtube Theme Compatible with Firefox 57+

Makes the layout of Youtube Dark Purple while retaining the original feel.

Rated 5 out of 5 stars (45)
3,179 users

Policy Control - JavaScript and Flash blocker Compatible with Firefox 57+

This extension helps you quickly disable and enable different types of resources such as JavaScript, CSS, and Media. The extension can be used to increase privacy as well as saving bandwidth by blocking unwanted contents.

Rated 4 out of 5 stars (29)
6,308 users

Custom Style Script (Inject desired CSS or JS) Compatible with Firefox 57+

Add Custom JavaScript Codes or Styles to any Page.

Rated 4 out of 5 stars (18)
6,464 users

Firefinder for Firebug Requires Restart

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

Rated 3 out of 5 stars (28)
10,098 users

Live editor for CSS and LESS Compatible with Firefox 57+

Live preview of CSS/LESS code with an in-page editor. Autocomplete, convert LESS to CSS, beautify, minify, CSS reloader, linter, ...

Rated 5 out of 5 stars (13)
1,690 users

Dark TwitchTV Compatible with Firefox 57+

A Dark Theme for TwitchTV

Rated 4 out of 5 stars (13)
2,068 users

Customize Your Web Requires Restart

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 (77)
1,341 users

Live Reload Compatible with Firefox 57+

Addon for web devs. Monitor included JS, CSS and/or HTML in frames and automatically reload the host page when a change is detected in the included source. Supports inline reloading of stylesheets and frames without reloading the host page.

Rated 4 out of 5 stars (8)
723 users

Font Finder Requires Restart

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 (78)
19,545 users

DOM Inspector Requires Restart

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 (78)
59,437 users