by figital

8 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,842 reviews

2,024,418 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...

Modify Headers by Gareth Hunt

Rated 4 out of 5 stars 76 reviews

120,026 users

Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.

YSlow by YSlow

Rated 3 out of 5 stars 215 reviews

72,472 users

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

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

18,981 users

Finds HTML elements matching chosen CSS selector(s) or XPath expression

FireQuery by BinaryAge, Jan Odvarko

Rated 4 out of 5 stars 54 reviews

21,792 users

Firebug plugin for jQuery development

Display Contact Photo by Samuel Mueller

Rated 4 out of 5 stars 106 reviews

6,993 users

Displays the contact photo/image/picture of the sender/recipient while reading or composing a message. Supports photos in a local folder and the 'Face' header for embedded photos. The add-on adds new generic photos and many styling possibilities.

Fast Search by Surf Canyon by mikewertheim

Rated 4 out of 5 stars 107 reviews

4,845 users

Improve relevancy by up to 40% on Google and Yahoo! by automatically digging out results from as deep as page 100.

About Menu by slearl, Scriptdaemon

Rated 4 out of 5 stars 22 reviews

53 users

Easily access the various About menus in Firefox.

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