Download README.md (ProGuard Java Optimizer and Obfuscator)

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ProGuard Java Optimizer and Obfuscator Overview

Java class file shrinker, optimizer, obfuscator, and preverifier

ProGuard has moved to Github now: https://github.com/Guardsquare/proguard

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.

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.