Developer Tools

by Zulkarnain K.

52 Add-ons in this Collection

Key Manager by Subrata Mazumdar

KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation

JavaScript Object Examiner by Chuck_Baker

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Experimental

Rated 5 out of 5 stars 1 review

3,289 users

Display JavaScript object methods and properties for any available scope.

XPather by Viktor Zigo

Rated 4 out of 5 stars 31 reviews

2,151 users

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

InspectorWidget by Sailfish

Rated 5 out of 5 stars 4 reviews

1,603 users

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

JSON Inspector by Zulkarnain K.

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Experimental

Not yet rated

239 users

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

dotjs by Ricky Rosario

Rated 4 out of 5 stars 10 reviews

535 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.

Extension Test by Kris Maglione

Rated 5 out of 5 stars 6 reviews

221 users

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

FireStorage by Yonen Labs

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Experimental

Rated 3 out of 5 stars 5 reviews

934 users

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

JSLinter by Roland Warmerdam

Rated 5 out of 5 stars 1 review

509 users

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

Rebrand by Mike Kaply

Rated 3 out of 5 stars 7 reviews

206 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.

Scratchpad Editor by Zulkarnain K.

Rated 3 out of 5 stars 3 reviews

200 users

Enables you to use external text editor with Scratchpad.

Workspace by robcee

Rated 5 out of 5 stars 1 review

157 users

A simple editor for executing snippets of JS.

Lola by Eduardo Garcia Lopez

Rated 4 out of 5 stars 22 reviews

60 users

This tool will let you find HTML/XHTML blocks visually just by moving around the mouse pointer over the page, and modify them "on the fly" from your browser quick and easily...

Blank Scratchpad by Zulkarnain K.

Rated 5 out of 5 stars 1 review

49 users

Remove introductory text on Scratchpad.

Leak Monitor by L. David Baron

Rated 3 out of 5 stars 27 reviews

480 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...
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