Developer Tools

by Zulkarnain K.

50 Add-ons in this Collection

XPather by Viktor Zigo

Rated 4 out of 5 stars 36 reviews

458 users

Feature rich XPath generator, editor, inspector and simple extraction tool...

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 49 reviews

6,209 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.

InspectorWidget by Sailfish

Rated 5 out of 5 stars 9 reviews

1,158 users

Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.

JavaScript Object Examiner by Chuck_Baker

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Experimental

Not yet rated

715 users

Display JavaScript object methods and properties for any available scope.

Leak Monitor by L. David Baron

Rated 3 out of 5 stars 26 reviews

123 users

This extension pops up an alert dialog to warn chrome and extension developers about one particular type of leak. It warns when chrome windows close but leave other code pointing at their JavaScript...

JSON Inspector by Zulkarnain K.

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Experimental

Not yet rated

326 users

Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.

Scriptify by Kris Maglione

Rated 3 out of 5 stars 26 reviews

773 users

Create and manage add-ons made from Greasemonkey and Scriptish user scripts

dotjs by Ricky Rosario

dotjs is a Firefox Add-on that executes JavaScript files in `~/.js` based on their filename and the domain of the site you are visiting.

JSLinter by Roland Warmerdam

Rated 5 out of 5 stars 1 review

316 users

Analyses all the Javascript files on a web page using JSLint.

Workspace by robcee

Rated 5 out of 5 stars 2 reviews

109 users

A simple editor for executing snippets of JS.

Scratchpad Snippets by Ondřej Doněk

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Experimental

Rated 5 out of 5 stars 3 reviews

115 users

Simple Mozilla Firefox add-on that allows snippets in Scratchpad.

FireStorage by Yonen Labs

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Experimental

Rated 3 out of 5 stars 5 reviews

370 users

Displays the content of the HTML5 Local Storage for the current site.

Scratchpad Editor by Zulkarnain K.

Rated 3 out of 5 stars 3 reviews

144 users

Enables you to use external text editor with Scratchpad.

Extension Test by Kris Maglione

Rated 5 out of 5 stars 6 reviews

137 users

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

Blank Scratchpad by Zulkarnain K.

Rated 5 out of 5 stars 1 review

39 users

Remove introductory text on Scratchpad.
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