Addons-dev

by Renato Lima

12 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,090 reviews

1,499,001 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...

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 79 reviews

151,352 users

Manage any SQLite database on your computer.

JavaScript Debugger by James Ross, Robert Ginda, others

Rated 4 out of 5 stars 50 reviews

90,231 users

As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 72 reviews

78,325 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

3,503 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

1,578 users

A suite of tools for developers.

ViewAbout by Gary Kwong

Rated 4 out of 5 stars 17 reviews

2,659 users

Enables access to various about: dialogs from the View menu.

Chrome List by Gijs Kruitbosch

Rated 4 out of 5 stars 30 reviews

558 users

Lets you take a peek at the files under the hood of your Firefox installation and profile...

Pentadactyl by Kris Maglione, dkearns

Rated 5 out of 5 stars 137 reviews

372 users

Firefox for Vim and Links addicts.

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 49 reviews

3,860 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.

XPCOMViewer by Ondřej Doněk

Rated 4 out of 5 stars 6 reviews

155 users

XPCOMViewer is tiny tool for exploring XPCOM components.

xqjs by matyr

Rated 5 out of 5 stars 1 review

39 users

Simple JS console

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