developer web

by Intrudere

18 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,773 reviews

2,250,093 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 955 reviews

1,212,183 users

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

SQLite Manager by lazierthanthou

Rated 5 out of 5 stars 35 reviews

192,059 users

Manage any SQLite database on your computer.

UnMHT by arai_a

Rated 5 out of 5 stars 213 reviews

79,637 users

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

YSlow by YSlow

Rated 3 out of 5 stars 192 reviews

102,764 users

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

Wappalyzer by Elbert Alias

Rated 4 out of 5 stars 97 reviews

67,030 users

Wappalyzer is a browser extension that identifies software on websites.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 63 reviews

129,988 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

22,571 users

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

CodeBurner for Firebug by SitePoint

Rated 3 out of 5 stars 33 reviews

34,372 users

CodeBurner is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.

FireQuery by BinaryAge, Jan Odvarko

Rated 4 out of 5 stars 51 reviews

31,584 users

Firebug plugin for jQuery development

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 48 reviews

9,813 users

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

Locationbar² by Dao Gottwald

Rated 4 out of 5 stars 255 reviews

16,065 users

More than a textbox.

Open IT Online by Denis Remondini

Rated 4 out of 5 stars 43 reviews

4,608 users

Open IT Online allows you to open documents and images online without the need of any software to be installed. It supports Google Docs, Zoho, View Docs Online, Vuzit to edit/view documents and Snipshot, Pixlr, Sumo Paint, etc. to edit/view images.

Power Twitter by Narendra Rocherolle, Nick Wilder

Rated 4 out of 5 stars 167 reviews

3,868 users

Makes Twitter Better!

Uppity by Anthony Lieuallen

Rated 5 out of 5 stars 44 reviews

5,684 users

Navigate up one level (directory). It will remove an in-page anchor, the querystring, the file, and the last directory in that order, whichever is first found...
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