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. Finally, it preverifies the processed code for Java 6 or for Java
Micro Edition.

          

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License: GPL-2.0-or-later
URL: https://www.guardsquare.com/en/proguard