Protect Java Code from Decompiling

Protect your Java Applications By Encrypting Jar Files and Classes, beyond Obfuscation

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Encrypt Jar Files

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

What is JARX

JARX is a private archive format that we created for encryption

Private Archive Format

A private archive format that created for encryption
Compressed by Deflate

Compressed by Deflate algorithm as Zip archive
Encrypted by AES

Entry names and content are encrypted by AES

How Protector4J Works

How Protector4J Protect Your Applications

Tools to Decompile Java Classes

The tools to decompile java classes on multi cases

Luyten, For Normal Jar Files
Arthas, For Standard Encryption Class or Jar files
Native Image Analyzer, For AOT Compiled Java Applications

Support Application Types

The app types currently supported by Protector4J

JavaSE
Tomcat
Spring Boot

Video Tutorial

A video guide to show how to protect the Java applications

DOWNLOAD

Download this tool and have a test

Windows
Linux
macOS (x86_64)
macOS (arm64)

Contact Us

Contact us and we'll get back to you as soon as possible