Extension Developer

By: moonbat

About this add-on

This is a fork of Developer Assistant for Firefox. Offers a useful set of tools for XUL developers.

Tools provided

  • Extension Builder: Wizard to package your extension from source directories for distribution.
  • Toggle to enable browser debugging preferences.
  • Javascript tools: Shell, environment (superseded by Scratchpad) and script injector for browser chrome.
  • Live HTML and XUL editors.
  • Regex/Xpath evaluation tools.
  • Best of all - reload browser chrome and skin without restarting the browser. Useful when building your UI or theme.
  • Reload window/restart application.

Install Now

Release Information

Version 1.1.5
Updated on January 18, 2022


Pale Moon 29.0 to 29.*


GNU General Public License 2.0


Add-on Releases (Version History)
Add-on Homepage
Support Site
Source Repository

Site design and Branding © 2024 Moonchild Productions - All rights reserved
Any other content, brand names or logos are copyright or trademark to their respective owners.
Policies: Cookies - User Content - Privacy.

The Pale Moon Add-ons Site is powered by Project Phoebus 2.4.2.