Developer Tools

by Zulkarnain K.

52 Add-ons in this Collection

Javascript Command by max1million

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Experimental

Rated 4 out of 5 stars 13 reviews

3,040 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

1,340 users

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

InspectorWidget by Sailfish

Rated 5 out of 5 stars 4 reviews

1,452 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

1,811 users

Display JavaScript object methods and properties for any available scope.

JSLinter by Roland Warmerdam

Rated 5 out of 5 stars 1 review

540 users

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

JSON Inspector by Zulkarnain K.

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Experimental

Not yet rated

382 users

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

Extension Test by Kris Maglione

Rated 5 out of 5 stars 6 reviews

195 users

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

Rebrand by Mike Kaply

Rated 3 out of 5 stars 9 reviews

830 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.

Leak Monitor by L. David Baron

Rated 3 out of 5 stars 26 reviews

337 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...

dotjs by Ricky Rosario

Rated 4 out of 5 stars 10 reviews

831 users

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.

FireStorage by Yonen Labs

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Experimental

Rated 3 out of 5 stars 5 reviews

705 users

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

Blank Scratchpad by Zulkarnain K.

Not yet rated

52 users

Remove introductory text on Scratchpad.

Scratchpad Snippets by Ondřej Doněk

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Experimental

Rated 5 out of 5 stars 2 reviews

102 users

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

Workspace by robcee

Rated 5 out of 5 stars 1 review

151 users

A simple editor for executing snippets of JS.

Scratchpad Editor by Zulkarnain K.

Rated 3 out of 5 stars 3 reviews

180 users

Enables you to use external text editor with Scratchpad.
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