JB's dev collection

by jbrockman

9 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,623 reviews

2,922,220 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 854 reviews

1,801,849 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 178 reviews

782,775 users

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

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 195 reviews

460,636 users

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

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 282 reviews

314,446 users

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

IE View by EmmaSawyers

Rated 3 out of 5 stars 146 reviews

108,835 users

Lets you load pages in IE with a single right-click, or mark certain sites to *always* load in IE.

FaviconizeTab by Kyosuke Takayama

Rated 4 out of 5 stars 333 reviews

17,747 users

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

Wolfram Alpha Google by Sekizaru

Rated 4 out of 5 stars 56 reviews

2,299 users

Display Wolfram Alpha results in Google searches.
No need to switch search engines when you can use both at once!

HashColouredTabs+ by John P Baker

Rated 4 out of 5 stars 37 reviews

2,896 users

Improves tab identification by providing a small colored icon for any site which doesn't have its own 'site icon'.
★ 'favicon' now also shown in history and bookmarks ★

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