https://www.guardsquare.com/manual/home
ProGuard Manual: Home | Guardsquare
ProGuard is the most popular optimizer for Java bytecode. This page is a table of contents for the ProGuard manual.
proguard manual
https://www.guardsquare.com/proguard
Java Obfuscator and Android App Optimizer | ProGuard
ProGuard is the most popular optimizer and obfuscator for Java bytecode and Android apps. Reduce your Java and Android apps up to 90% with ProGuard.
android appjavaobfuscatoroptimizerproguard