Javascript Obfuscator

Javascript Obfuscator, Compressor
and Minifier

Scramble, obfuscate, and pack JavaScript code!
Javascript Obfuscator converts the Java Script source code into completely unreadable form, preventing your code from analysing and theft. It's a 100% safe Java Script minifier and the best JavaScript compressor in the web.


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

 JSMinYUI CompressorJavascript Obfuscator
Jquery 1.3.2
124 995 bytes
74 121 bytes
73 117 bytes
44 429 bytes
MooTools 1.2.2
   103 064 bytes
78 412 bytes
64 503 bytes
47 026 bytes
   130 349 bytes
93 955 bytes
73 511 bytes
48 244 bytes

How to Use

Process and Save Compress Javascript Files

If you've created new names for all the required names and set all the options you can start process of obfuscating the data.

To do it you should click "Start Processing" button on the Toolbar or on the right panel or select "Project / Start Processing" in the Main menu.

You can also view the statistic.

After the obfuscating of your .js files you can view these files in Notepad.
To do it you should select "Services/View Source in Notepad" in the Main menu.
Compare how the same piece of code looks before and after processing by Javascript Obfuscator.

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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

cssmin javascript

14-day trial periodYes--
Trial reminderYes--
Number of developers
Number of processing js files per session1
Save/Open project file -YesYes
Command Line Support-YesYes
Code obfuscatingYesYesYes
Code compressionYesYesYes
Download button
$345 $99

Postal Address

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


    * 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!

    * I have tried the evaluation version of your JavaScript obfuscator, everything went fine, it looks really nice. I really like the ability to add a comment header to each compress javascript file. I use this option to include a copyright notice in my commercial script.

    * 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.javascript packer reverse

    * 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.


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Highest compression

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

eval function p a c k e r decode Jquery Code Obfuscation

Unreadable code

Javascript Obfuscator generates new unintelligible names
and rename functions and variables
depending on the selected settings or pre-defined presets.
javascript obfuscator Image To Base64 Conversion Node Js

Easy to use

Just drug-n-drop files to the program window and press "Process" button!


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How To's