Web design & development

by Rishabh Rao

20 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 5,514 reviews

14,240,226 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,577 reviews

1,740,869 users

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,116 reviews

897,969 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 276 reviews

225,690 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Stylish by userstyles.org

Rated 4 out of 5 stars 844 reviews

330,910 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

QuickJava by Doug G

Rated 5 out of 5 stars 189 reviews

196,076 users

Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth. (Read details for info on Java with FF52+!)

Web Developer by chrispederick

Rated 5 out of 5 stars 270 reviews

303,789 users

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

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 382 reviews

176,337 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

IE Tab V2 (Enhanced IE Tab) by ietab.net

Rated 4 out of 5 stars 436 reviews

212,961 users

Note: If you are encountering the Connecting... problem see instructions below.

The updated, fully supported IE Tab. Embed IE in a Firefox tab. IE Tab Features: FF 4+ support, IE 7-9 compatibility modes, old IE Tab settings import.

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 362 reviews

97,617 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Lightshot (screenshot tool) by Serg at SkillBrains, Andrej at SkillBrains

Rated 5 out of 5 stars 186 reviews

42,783 users

Easy and convenient screenshot tool. Allows you to make screenshots of any selected area (video and flash too), edit and upload it to server.

YSlow by YSlow

Rated 3 out of 5 stars 221 reviews

40,238 users

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 72 reviews

75,053 users

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.

Cache Status by Jason Purdy, Andy Portmen

Rated 4 out of 5 stars 123 reviews

11,691 users

Easy cache status & management from status...

FireQuery by BinaryAge, Jan Odvarko

Rated 4 out of 5 stars 55 reviews

10,590 users

Firebug plugin for jQuery development
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