A very good JavaScript compression/obfuscator: javascript obfuscator v4.0

Main Character: javascript obfuscator v4.0

Function: JavaScript code compression and obfuscation

Comment: javascript obfuscator v4.0
Than JS min
And Yui Compressor
The compression ratio is high, and the obfuscation effect is better. You can easily manually control which names are obfuscated and which are not obfuscated, and the interface is also very beautiful.

Disadvantages: it is a shared software, and the trial version has some functional limitations.

Features:

• It can automatically process JavaScript tags in HTML files and associate. js files referenced by HTML page files. It is as convenient as processing a separate. js file.
• Remove comments and spaces, reduce file size, and minimize the loading time. (Note: This is nothing, the most basic)
• Compress the code into a long line
• Automatically add a semicolon terminator when required
• Create a list of function names and variable names
• Generate a variable name that is hard to understand or modify according to user settings
• Command Line

 

The original version of the software issuer's website is as follows:

 

New!

Javascript obfuscator v4.0:Best

Javascript compression ratio on the web!

Javascript obfuscator
Converts the JavaScript source code
Into scrambled and completely unreadable form, preventing it from analyzing and theft.

Javascript obfuscator
Can

• Process JavaScript tags in HTML files and all
  . Js files associated with HTML pages as well as separate. js files
• Remove comments and white spaces, fetch the file size and minimizing the loading time
• Pack the code as a long line
• Add finishing ";" when appropriate
• Create a list of functions and variable names
• Generate new non-understandable names and rename functions and variables depending on user settings
• Work with command line

 

Comparison table

 

	Jsmin	Yui Compressor	Javascript obfuscator v4.0
Jquery 1.3.2 124 995 bytes	74 121 bytes 59%	73 117 bytes 58%	44 429 bytes 35%
Mootools 1.2.2 103 064 bytes	78 412 bytes 76%	64 503 bytes 63%	47 026 bytes 46%
Prototype 1.6.0.2 130 349 bytes	93 955 bytes 72%	73 511 bytes 56%	48 244 bytes 37%

Compare how the same piece of code looks before:

And after processingJavascript obfuscator
:

You can see the difference, can't you?

Download free trial version
OfJavascript obfuscator