XPI - DEV'

by decembre

184 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,828 reviews

2,112,241 users

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...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 983 reviews

1,276,934 users

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

iMacros for Firefox by Ipswitch

Rated 4 out of 5 stars 393 reviews

437,190 users

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Stylish by Jason Barnabe

Rated 4 out of 5 stars 811 reviews

479,842 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 199 reviews

276,799 users

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.

Selenium IDE by Jason Huggins, Adam Goucher, others

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Experimental

Rated 5 out of 5 stars 4 reviews

66,080 users

Selenium IDE is an integrated development environment for Selenium tests. It is implemented as a Firefox extension, and allows you to record, edit, and debug tests.

Web Developer by chrispederick

Rated 5 out of 5 stars 228 reviews

495,331 users

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

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 948 reviews

493,861 users

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

RESTClient, a debugger for RESTful web services. by Chao ZHOU

Rated 4 out of 5 stars 94 reviews

149,267 users

Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.

Please follow the link ("View other versions") below To install version 2.0.1.

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 46 reviews

196,787 users

Manage any SQLite database on your computer.

FirePath by Pierre Tholence

Rated 4 out of 5 stars 22 reviews

78,561 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).

Tamper Data by Adam Judson

Rated 4 out of 5 stars 135 reviews

108,382 users

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

Decentraleyes by Thomas Rientjes

Rated 5 out of 5 stars 41 reviews

29,340 users

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

JavaScript Debugger by James Ross, Robert Ginda, others

Rated 4 out of 5 stars 50 reviews

114,495 users

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 306 reviews

270,959 users

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