Addon Developers Kit

by matagus

11 Add-ons in this Collection

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 354 reviews

265 users

Manage any SQLite database on your computer.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 216 reviews

74 users

View HTTP headers of a page and while browsing.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 78 reviews

25,977 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.

about:addons-memory by Nils Maier

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Experimental

Rated 4 out of 5 stars 149 reviews

19 users

Adds an about:addons-memory page that details add-on memory usage

Extension Auto-Installer by Wladimir Palant

Rated 5 out of 5 stars 48 reviews

19 users

Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.

Developer Assistant by Ted Mielczarek, Gavin Sharp, others

Rated 4 out of 5 stars 46 reviews

2 users

A suite of tools for developers.

No More Install Delay by trlkly

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Experimental

Rated 4 out of 5 stars 10 reviews

9 users

UPDATE: XPI delay has been removed in Firefox 40!

Disable the install delay in Firefox. New 2.0 version now includes GreaseMonkey scripts!

Unlike similar addons, this works on Firefox 4 and beyond.

XPCOMViewer by Ondřej Doněk

Rated 4 out of 5 stars 6 reviews

0 users

XPCOMViewer is tiny tool for exploring XPCOM components.

Extension Test by Kris Maglione

Rated 5 out of 5 stars 6 reviews

0 users

A simple add-on for extension testers, especially AMO editors and developers who plan to submit their add-ons to AMO.

GitHub Extension Installer by Diego Casorran

Rated 4 out of 5 stars 24 reviews

3 users

Install Browser Extensions straight from GitHub Repositories

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 47 reviews

26 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.

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