Protector4J - Protect Java Code from Decompiling, beyond Obfuscation

Encrypt the Jar Files

Convert JAR file to private JARX format, protect the class files and structure of application

JARX is a private archive format that we created for encryption

A private archive format that created for encryption

Data is compressed by Deflate like Zip

Entry names and contents are encrypted by AES

How Protector4J Protect Your Applications

The tools to decompile java classes on multi cases

Luyten, For Normal Jar Files

BinaryCFR, For AOT Compiled Binary Files

The app types currently supported

JavaSE

Tomcat

Spring Boot

A video guide to show how to protect the Java app

Download this tool and have a test

Windows

Linux

macOS (10.14+)