Developer Tools

by Zulkarnain K.

50 Add-ons in this Collection

Scriptify by Kris Maglione

Rated 3 out of 5 stars 25 reviews

223 users

Create and manage add-ons made from Greasemonkey and Scriptish user scripts

Scratchpad Editor by Zulkarnain K.

Rated 3 out of 5 stars 3 reviews

89 users

Enables you to use external text editor with Scratchpad.

Execute JS by Rudolf Noe

Rated 5 out of 5 stars 15 reviews

3,048 users

Execute JS is a enhanced JavaScript-Console, where you can comfortably enter and execute arbitrary JavaScript-Code and modify functions...

FireStorage by Yonen Labs

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Experimental

Rated 3 out of 5 stars 5 reviews

190 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

76 users

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

JSON Inspector by Zulkarnain K.

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Experimental

Not yet rated

178 users

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

Magnifier by Girish Sharma, Paul Rouget

Rated 3 out of 5 stars 9 reviews

1,060 users

A quick restartless magnifier to debug styles and web pages.

Foundstone HTML5 Local Storage Explorer by Foundstone Inc.

Rated 3 out of 5 stars 14 reviews

1,503 users

Foundstone HTML5 Local Storage Explorer allows for viewing, modifying and deleting of data items stored in the browser's LocalStorage. LocalStorage is a client side storage technology introduced in HTML5.

JavaScript Object Examiner by Chuck_Baker

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Experimental

Not yet rated

400 users

Display JavaScript object methods and properties for any available scope.

Workspace by robcee

Rated 4 out of 5 stars 3 reviews

72 users

A simple editor for executing snippets of JS.

Blank Scratchpad by Zulkarnain K.

Rated 5 out of 5 stars 1 review

21 users

Remove introductory text on Scratchpad.

Javascript Command by max1million

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Experimental

Rated 4 out of 5 stars 13 reviews

741 users

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

JavaScript Terminal by Paul Rouget

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Experimental

Rated 4 out of 5 stars 5 reviews

1,539 users

JavaScript Terminal for Firefox.

Leak Monitor by L. David Baron

Rated 3 out of 5 stars 26 reviews

2 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...

Lola by Eduardo Garcia Lopez

Rated 4 out of 5 stars 22 reviews

2 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...
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