proguard

Java class file shrinker, optimizer, and obfuscator

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Java class file shrinker, optimizer, and obfuscator

proguard

Obfuscate a JAR file with default configuration$ proguard -injars input.jar -outjars output.jar -libraryjars /path/to/lib

Shrink and optimize a JAR file using a configuration file$ proguard @myconfig.pro

Obfuscate with custom rules keeping specific classes

$ proguard -injars app.jar -outjars app-obfuscated.jar -keep 'public class MyMainClass { public static void main(...); }'