アドオン

SQLite Manager 作者: lazierthanthou

Manage any SQLite database on your computer.

Element Hiding Helper for Adblock Plus 作者: Felix Dahlke

テキスト広告と戦います！ Element Hiding Helper は簡単に要素の非表示ルールを作成できる、Adblock Plus 用の支援拡張機能です。

HttpFox 作者: Martin Theimer

An HTTP analyzer addon for Firefox

コレクターのメモ If you need to know which headers are sent to and received from a server. It doesn't use external resources, contrary to many other such extensions, and thus doesn't breach security.

Image Zoom 作者: Jason Adams

Adds zoom and rotation functionality for images...

DOM Inspector 作者: SeaMonkey Council

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 作者: Rudolf Noe

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

View Dependencies 作者: Florian QUEZE

View Dependencies adds a tab to the Page Info window, in which it lists all the files which were loaded to show the current page.

Extension List Dumper 作者: Sogame

This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...

コレクターのメモ I think this is a must-have. There's no easier way to show versions and status of all addons, plugins and themes installed, and the lists can be saved to disk as text and HTML.

Console² 作者: Philip Chee, zeniko

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.