ProGuard Java Optimizer and Obfuscator Icon

ProGuard Java Optimizer and Obfuscator

Java class file shrinker, optimizer, obfuscator, and preverifier

4.8 Stars (30)
2,123 Downloads (This Week)
Last Update:
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Description

ProGuard is a free Java class file shrinker, optimizer, obfuscator, and preverifier. It detects and removes unused classes, fields, methods, and attributes. It optimizes bytecode and removes unused instructions. It renames the remaining classes, fields, and methods using short meaningless names. Finally, it preverifies the processed code for Java 6 or for Java Micro Edition.

ProGuard is useful for making code more compact and more efficient, on the desktop, on tablets, on smartphones, and on embedded devices. It also makes code more difficult to reverse engineer.

ProGuard Java Optimizer and Obfuscator Web Site

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User Ratings

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ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 3 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 3 / 5
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User Reviews

  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Several years ago I used proguard without any major problems. BUT. Something really nasty happened in last several versions: with 5.3.2 I am getting: (Unexpected end of ZLIB input stream) and with version 4.4 I got: (Unsupported version number [51.0] for class format) Kind of sad that developers cant seem to get it right for VERY long time! George Matveev www.matveev.se P.S. also it is rather funny that one can not submit a bug without asking project admin! :-) Now we have to find some other obfuscator that works on Linux!

    Posted 02/23/2017
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    The only obfuscator that I got to work with JavaFX + Spring.

    Posted 05/02/2016
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Well, it looks really great but is too hard to get to work. Errors, errors everywhere. I am not alone, check stackoverflow tag proguard.

    Posted 05/09/2015
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Very good program, obfuscate my code as required

    Posted 04/10/2015
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Works all the time. Excellent GUI and documentation. Must have app for Java devs.

    Posted 02/16/2015
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Additional Project Details

Languages

English

Intended Audience

Developers

Programming Language

Java

Registered

2002-05-31

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