WebDev3.5

by thebjorn

19 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,760 reviews

2,710,018 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...

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,462 reviews

2,283,941 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.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 480 reviews

1,102,839 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Stylish by Jason Barnabe

Rated 4 out of 5 stars 732 reviews

773,046 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 205 reviews

671,989 users

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

FireGestures by Gomita

Rated 4 out of 5 stars 858 reviews

430,487 users

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,506 reviews

362,872 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 300 reviews

300,317 users

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

Microsoft .NET Framework Assistant by Microsoft Corporation

Rated 2 out of 5 stars 117 reviews

2,202,331 users

Adds ClickOnce support and the ability to report installed .NET versions to the web server.

IE Tab by PCMan, yuoo2k

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 327 reviews

173,393 users

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

FireQuery by BinaryAge, Jan Odvarko

Rated 4 out of 5 stars 50 reviews

40,128 users

Firebug plugin for jQuery development

Favicon Picker 2 by BobDawg

Rated 4 out of 5 stars 197 reviews

2,912 users

Tired of that boring default icon next to your bookmarks? This extension adds an interface allowing you to pick the icon for each of your bookmarks.

Screengrab by Andy M

Rated 4 out of 5 stars 589 reviews

35,536 users

Screengrab! saves webpages as images... but not for new versions of Firefox.

FF changes too fast and I don't have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate.

Therefore, Screengrab is EOL.

It's All Text! by Christian Höltje (A.K.A. docwhat)

Edit textareas using an external editor, because it's all text!

Right click on a textarea, select "It's All Text!" and edit the text in the editor of your choice.

Alternatively, click on the edit buttons added for your convenience. Right click on ...
Collector's Note Works well when you want to edit long textedit boxes in emacs.
  1. 1
  2. 2
Results 115 of 19

What are Collections?

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

Explore Collections

Recently Viewed