CodeThatPacker
A powerful JavaScript compression utility. It removes comments and whitespaces from scripts, supports all JavaScript syntax including regular expressions and automatic semicolon insertion, can copy several js-files into one, compresses JavaScript in HTML files. [Commercial]
url: www.codethat.com/packer/
Javascript Cruncher
Free utility for compressing/removing all unnecessary tabs, spaces and comments from JavaScript files.
url: www.cfoster.net/jscrunch/
JavaScript Formatter/Obfuscator
Tool for prettyprinting JavaScript to make it more readable, or conversely, obfuscating it to prevent reverse-engineering. [Commercial]
url: www.semdesigns.com/Products/Formatters/ECMAScriptF...
Javascript Obfuscator
Converts the JavaScript source code into scrambled and completely unreadable form, preventing it from analysing and theft. [Commercial]
url: www.javascript-source.com/
jsjam
Compress JavaScript so that it downloads faster to the browser. If the identifier compression is kept on, it also has a side-effect of making the JavaScript fairly unreadable.
url: www.anvilon.com/software/jsjam/
net.demon haywyre nullifier
To decode pages that were obfuscated with a javascript encoder such as Haywyre or Merlin simply view the source of the page and paste it in the form below. [Online]
url: www.netdemon.net/haywyre/
Stunnix JS-Obfus
A JavaScript source code obfuscator and encoder.
url: www.stunnix.com/prod/jo/overview.shtml
Syntropy Chaos Engine - Javascript obfuscator
A free of charge JavaScript scrambler/obfuscator.
url: www.syntropy.se/downloads/
w3compiler
JavaScript compressor/obfuscators with full JavaScript/HTML parsing produced perfect XHTML files. [Commercial]
url: www.w3compiler.com
Will's JavaScript Cruncher
A online tool condense JavaScript code.
url: csce.unl.edu/~wbickfor/cruncher.html
