Yuidecoder - Javascript Obfuscator

Javascript Obfuscator can

compress .js files using an unique compression algorithm with impressive compression ratio;
remove comments, line feeds and white spaces, reducing the file size and minimizing the loading time;
add finishing ";" when it's necessary;
create a list with names of your functions and variables;
generate new unintelligible names and rename functions and variables depending on the selected settings;
command line support.

Javascript Obfuscator vs. JSMin & YUI Compressor

	JSMin	YUI Compressor	Javascript Obfuscator v4.0
Jquery 1.3.2 124 995 bytes	jquery-1.3.2_min.js 74 121 bytes 59%	jquery-1.3.2_yc.js 73 117 bytes 58%	jquery-1.3.2_jso.js 44 429 bytes 35%
MooTools 1.2.2 103 064 bytes	mootools-1.2.2-core-nc_min.js 78 412 bytes 76%	mootools-1.2.2-core-nc_yc.js 64 503 bytes 63%	mootools-1.2.2-core-nc_jso.js 47 026 bytes 46%
Prototype 1.6.0.2 130 349 bytes	prototype-1.6.0.2_min.js 93 955 bytes 72%	prototype-1.6.0.2_yc.js 73 511 bytes 56%	prototype-1.6.0.2_jso.js 48 244 bytes 37%

How to Use

Protect Java script Code - Restore from *.bak

If obfuscated files won't be suitable in some case, you may click "Restore source files" button on the Toolbar or select "Project / Restore files" in the Main menu.

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Video Tutorial

Purchase JavaScript Code Obfuscator

Ordering online is easy and secure. You can select the most suitable payment method: credit card, bank transfer, check, PayPal etc.. Paying a license fee, you get the right to use the program for life and to get free updates within one year. After you complete the payment via the secure form, you will receive a license key instantly by email.
Secure payment processing by Plimus.

Plimus, Inc.
3830 Valley Centre Dr., Suite 705-294
San Diego, CA 92130
Tel: +1 (866) 312-7733
Tel: +1 (858) 350-7473; Fax: +1 (858) 777-5553

yuicompressor vs jsmin

Option	Trial	Developer	Enterprise
14-day trial period		-	-
Trial reminder		-	-
Number of developers	1	1	5
Number of processing js files per session	1	Unlimited	Unlimited
Save/Open project file	-
Command Line Support	-
Code obfuscating
Code compression
Price	Free	$69	$345 $99

Postal Address

For troubleshooting, feature requests and general help contact Customer Support at . Make sure to include details on your Javascript Obfuscator version, operating system, a link (or relevant code) and a browser.javascript protection

Feedback

* Hi all, I'm working on a new project, and this is the first time I've ever looked for a JavaScript obfuscator. I was trying to use the Javascript Obfuscator 4.0 trial version on my javascript file and as it appears to find and java script obfuscate all my variable and function names. Also it works very quickly even with big files.

* My company want to buy a tool to obfuscate our javascript source, and I download your trial version of JavaScript Obfuscator 4.0 to have a try. Command line interface is very usefull for us to automate the javascript optimization.

* I've been looking for a flexible obfuscator and I downloaded version 4.0 of your product. I walked through the example in the Step by Step and I really like the result. Thank you for a great javascript encrypt tool!js encoder

* Great program! I am a licensed customer and find the software very useful. Javascript Obfuscator greatly compresses size and improves download time and execution speed of the protect javascript files. Obfuscated code is impossible to re-obfuscate and extremely hard or unrealizable to understand.

DEMO's

how to use jsmin command Extjs Closure Compiler

Highest compression

Javascript Obfuscator provides the best compression ratio
comparing with other minifires available on the Web. See the comparison table below.

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Unreadable code

Javascript Obfuscator generates new unintelligible names
and rename functions and variables
depending on the selected settings or pre-defined presets.