extdev

by dynamis

6 Add-ons in this Collection

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 78 reviews

14,478 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.

Execute JS by Rudolf Noe

Rated 5 out of 5 stars 15 reviews

0 users

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

Developer Assistant by Ted Mielczarek, Gavin Sharp, others

Rated 4 out of 5 stars 46 reviews

0 users

A suite of tools for developers.

Restartless Restart by Erik Vold

Download Now

Experimental

Rated 4 out of 5 stars 204 reviews

13 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.

Mozilla Labs - Jetpack Prototype by Mozilla Labs

Download Now

Experimental

Rated 4 out of 5 stars 27 reviews

0 users

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

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 47 reviews

7 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.

What are Collections?

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

Explore Collections