Powernerd Webdev

by Lars Petter G. Bøe

12 Add-ons in this Collection

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,155 reviews

873,978 users

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

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,101 reviews

1,340,121 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...

iMacros for Firefox by Ipswitch, Inc.

Rated 4 out of 5 stars 525 reviews

1,308,369 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 userstyles.org

Rated 4 out of 5 stars 877 reviews

321,651 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.

FireFTP by Mime Čuvalo

Rated 4 out of 5 stars 946 reviews

305,399 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!

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 384 reviews

164,946 users

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

Rainbow Color Tools by Heather Arthur

Rated 5 out of 5 stars 96 reviews

17,767 users

Color tools for web development.

Color picker and eyedropper + saving colors and trying out colors with drag and drop.

FaviconizeTab by Kyosuke Takayama

Rated 4 out of 5 stars 350 reviews

7,168 users

This extension adds a new "FaviconizeTab" option to the context menu of the tab...

Greasefire by Steve Krulewitz, Erik Vold

Rated 4 out of 5 stars 148 reviews

4,318 users

Automatically find user scripts on Userscripts.org (requires Greasemonkey or Scriptish)

Destroy the Web by jose.bolanos

Rated 4 out of 5 stars 74 reviews

507 users

Turn any webpage into a shoot-em up video game.
With a pulse pounding soundtrack and high scores for every web page, Destroy the Web is a fun way to take a little break during the day.

Browser Turns Editor by No one

Rated 4 out of 5 stars 27 reviews

6 users

Edit web pages directly in Firefox!

GridFox by Eric Puidokas

Rated 4 out of 5 stars 18 reviews

2,003 users

Draws a grid on top of a website

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

More by this User

See all collections by this user