Developer Tools

by Zulkarnain K.

51 Add-ons in this Collection

XPather by Viktor Zigo

Rated 4 out of 5 stars 35 reviews

1,315 users

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

Javascript Command by max1million

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Experimental

Rated 4 out of 5 stars 13 reviews

2,660 users

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

dotjs by Ricky Rosario

Rated 4 out of 5 stars 10 reviews

926 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.

InspectorWidget by Sailfish

Rated 5 out of 5 stars 4 reviews

1,404 users

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

JSLinter by Roland Warmerdam

Rated 5 out of 5 stars 1 review

516 users

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

JavaScript Object Examiner by Chuck_Baker

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Experimental

Not yet rated

1,577 users

Display JavaScript object methods and properties for any available scope.

JSON Inspector by Zulkarnain K.

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Experimental

Not yet rated

376 users

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

Leak Monitor by L. David Baron

Rated 3 out of 5 stars 26 reviews

305 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...

Extension Test by Kris Maglione

Rated 5 out of 5 stars 6 reviews

185 users

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

Scratchpad Editor by Zulkarnain K.

Rated 3 out of 5 stars 3 reviews

176 users

Enables you to use external text editor with Scratchpad.

Rebrand by Mike Kaply

Rated 3 out of 5 stars 9 reviews

826 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.

Blank Scratchpad by Zulkarnain K.

Not yet rated

48 users

Remove introductory text on Scratchpad.

Scratchpad Snippets by Ondřej Doněk

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Experimental

Rated 5 out of 5 stars 2 reviews

109 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

757 users

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

Github List Bugzilla Bugs by Paul McLanahan

Rated 5 out of 5 stars 1 review

107 users

Add Bugzilla links to a Github compare view.
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