Developer Tools

by Zulkarnain K.

51 Add-ons in this Collection

XPather by Viktor Zigo

Rated 4 out of 5 stars 35 reviews

1,096 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

2,316 users

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

InspectorWidget by Sailfish

Rated 5 out of 5 stars 6 reviews

1,287 users

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

dotjs by Ricky Rosario

Rated 4 out of 5 stars 10 reviews

893 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.

Rebrand by Mike Kaply

Rated 4 out of 5 stars 12 reviews

1,081 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 Snippets by Ondřej Doněk

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Experimental

Rated 5 out of 5 stars 2 reviews

113 users

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

Extension Test by Kris Maglione

Rated 5 out of 5 stars 6 reviews

159 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

353 users

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

JavaScript Object Examiner by Chuck_Baker

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Experimental

Not yet rated

1,397 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

278 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...

Blank Scratchpad by Zulkarnain K.

Not yet rated

60 users

Remove introductory text on Scratchpad.

JSLinter by Roland Warmerdam

Rated 5 out of 5 stars 1 review

500 users

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

Scratchpad Editor by Zulkarnain K.

Rated 3 out of 5 stars 3 reviews

174 users

Enables you to use external text editor with Scratchpad.

Workspace by robcee

Rated 5 out of 5 stars 1 review

132 users

A simple editor for executing snippets of JS.

Github List Bugzilla Bugs by Paul McLanahan

Rated 5 out of 5 stars 1 review

105 users

Add Bugzilla links to a Github compare view.
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