extdev

by dynamis

17 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,108 reviews

1,329,451 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...

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 192 reviews

64,379 users

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

JSONView by Ben Hollis

Rated 5 out of 5 stars 177 reviews

84,135 users

View JSON documents in the browser.

Pearl Crescent Page Saver screenshot tool by Kathleen Brade, Mark Smith

Rated 4 out of 5 stars 83 reviews

60,168 users

Save an image of a web page (including Flash content) to a file. Web page screenshots may be captured interactively or from the command line. Options allow you to control the output format (PNG or JPEG), image file name, scaling, and much more.

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Rated 4 out of 5 stars 187 reviews

15,117 users

Useful tools for the nightly tester.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 73 reviews

70,912 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.

Developer Assistant by Ted Mielczarek, Gavin Sharp, others

Rated 4 out of 5 stars 46 reviews

1,438 users

A suite of tools for developers.

Restartless Restart by Erik Vold

Rated 4 out of 5 stars 201 reviews

11,416 users

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

View Source Chart by Jennifer Madden

Rated 5 out of 5 stars 109 reviews

6,679 users

Enables accelerated human processing of DOM

Source Viewer Tab by Piro (piro_or)

Rated 4 out of 5 stars 34 reviews

987 users

Shows web page sources in tab.

Mozilla Labs - Jetpack Prototype by Mozilla Labs

Download Now

Experimental

Rated 4 out of 5 stars 27 reviews

1 user

Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.

Execute JS by Rudolf Noe

Rated 5 out of 5 stars 15 reviews

3,109 users

Execute JS is a enhanced JavaScript-Console, where you can comfortably enter and execute arbitrary JavaScript-Code and modify functions...

QuickRestart by Juan Carlos Avila B.

Rated 4 out of 5 stars 123 reviews

56 users

Ever needed to restart Firefox after enabling or disabling an extension, switching to a new theme, or modifying configuration files (such as userChrome.css or user.js)?

This simple extension adds a "Restart Firefox" item to the "File" menu. You can ...

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 49 reviews

3,488 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.

Extdev Preferences by dynamis

Not yet rated

7 users

Set basic prefs for extension developers
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