Developer Tools

by Zulkarnain K.

51 Add-ons in this Collection

Javascript Command by max1million

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Experimental

Rated 4 out of 5 stars 13 reviews

1,666 users

For writing/testing javascript on Firefox windows (extension development, etc), web pages, and bookmarklets.

XPather by Viktor Zigo

Rated 4 out of 5 stars 35 reviews

698 users

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

JavaScript Object Examiner by Chuck_Baker

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Experimental

Not yet rated

996 users

Display JavaScript object methods and properties for any available scope.

InspectorWidget by Sailfish

Rated 5 out of 5 stars 7 reviews

1,314 users

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

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.

Extension Test by Kris Maglione

Rated 5 out of 5 stars 6 reviews

152 users

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

JSON Inspector by Zulkarnain K.

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Experimental

Not yet rated

347 users

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

Rebrand by Mike Kaply

Rated 4 out of 5 stars 12 reviews

3,748 users

This wizard creates an XPI that rebrands Firefox, SeaMonkey or Thunderbird. You can change the brand name as well as the brand images and icons.

JSLinter by Roland Warmerdam

Rated 5 out of 5 stars 1 review

426 users

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

Blank Scratchpad by Zulkarnain K.

Rated 5 out of 5 stars 1 review

64 users

Remove introductory text on Scratchpad.

FireStorage by Yonen Labs

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Experimental

Rated 3 out of 5 stars 5 reviews

523 users

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

Scratchpad Snippets by Ondřej Doněk

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Experimental

Rated 5 out of 5 stars 3 reviews

103 users

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

Leak Monitor by L. David Baron

Rated 3 out of 5 stars 26 reviews

207 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...

Scratchpad Editor by Zulkarnain K.

Rated 3 out of 5 stars 3 reviews

175 users

Enables you to use external text editor with Scratchpad.

Workspace by robcee

Rated 5 out of 5 stars 1 review

116 users

A simple editor for executing snippets of JS.
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