Protect Java code from decompilation

Java, Tomcat, SpringBoot application reinforcement and protection, a solution beyond obfuscation.

How Protector4J Works

We are committed to providing the best Java code protection solutions, fully considering the characteristics of the JVM and the Java language, and launching the most suitable Java code protection solutions for the current situation.

Private compressed document format: JARX
Customized JRE only supports loading JARX files
Disable the JVM's remote attachment mechanism
Binary Level Protection

Get Started

We currently support three types of Java applications: JavaSE, Tomcat, and Spring Boot. Click the button on the right to learn how to protect your application with Protector4J.

Watch video tutorials on YouTubeWatch video tutorials on Bilibili

Contact Us

Contact us and we will reply to you as soon as possible