JavaScript & Colors

by harrison3001

71 Add-ons in this Collection

Acebug by Mike Ratcliffe, Harutyun Amirjanyan

Rated 5 out of 5 stars 17 reviews

1,480 users

Syntax highlighting for the Firebug command line using Ace.
Fuzzy auto completion
and more...

SourceEditor by iDo

Rated 3 out of 5 stars 20 reviews

1,601 users

View and Edit source of HTML element...

Dafizilla ViewSourceWith by dafizilla

Rated 4 out of 5 stars 59 reviews

6,439 users

The main goal allows users to open (and in some cases edit) page source with external applications.

Unicode Input Tool/Converter by Brett Zamir

Unicode lookup and chart view to find international characters or symbols; converts among HTML/XML entities, numeric character references (hex and dec), CSS/JavaScript/PHP6 escape sequences, and Unicode; allows saving of snippets to paste

Validator by Teun van Eijsden

Rated 3 out of 5 stars 11 reviews

2,841 users

Firebug extension to validate HTML.

Scriptify by Kris Maglione

Rated 3 out of 5 stars 23 reviews

1,320 users

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

XUL Gear by Ilya Kharlamov

Rated 5 out of 5 stars 14 reviews

933 users

IDE for FireFox plug-in developers and business analysts who create User Interface mock-ups. A WYSIWYG XUL editor

Inspect Context by max1million

Rated 5 out of 5 stars 15 reviews

1,402 users

Open Dom Inspector at this node from Inspect on context menu. Dom Inspector must already be installed. Handy for checking both page for web developers and chrome for extension...

InspectThis by Laurens Mackay

Rated 5 out of 5 stars 9 reviews

2,374 users

Inspect the current element with the DOM Inspector.

CodeBurner for Firefox by SitePoint

Rated 4 out of 5 stars 3 reviews

991 users

Provides searchable reference information and code examples for HTML and CSS

OpenLink Data Explorer by OpenLink Software Inc

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Rated 4 out of 5 stars 3 reviews

478 users

A tool for generating structured descriptor documents for HTTP accessible resources. HTML+RDFa based Linked Data is the default Descriptor Document format. Other formats are available via page hosted links or content negotiation.

XPather by Viktor Zigo

Rated 4 out of 5 stars 35 reviews

848 users

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

FireLESS by Simone Deponti

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Rated 4 out of 5 stars 10 reviews

1,045 users

FireLESS allows Firebug to display the original LESS file name and line number of LESS-generated CSS styles.

It currently requires a patched version of LESS available at

Format Javascript by

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Rated 3 out of 5 stars 2 reviews

613 users

The extension provide Javascript developer a tool to decompress the minified javascript. Minify javascript and use it to uncompress.

Add-on Builder Helper (discontinued) by Atul Varma, dandonkulous, others

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Rated 4 out of 5 stars 17 reviews

1,270 users

This add-on has been discontinued and no longer has any functionality.
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