HardObfuscator v1.0.0 — Java Obfuscator

HardObfuscator — Free Java Obfuscator

Open-source Java bytecode obfuscator with GUI. Protect your JAR files with class/method rename, string encryption, control flow obfuscation, and more.

Download

File	Description
hardobfuscator.jar	Ready-to-run fat JAR (GUI + CLI)

Requirements: Java 17+

Quick Start

java -jar hardobfuscator.jar

🖥️ GUI — Dark-themed dashboard (FlatLaf), drag & drop JAR
⌨️ CLI — Automation with JSON config
🔒 15+ transformers — Rename, string encryption, control flow, debug removal
📦 Package scope — Obfuscate only your code, keep libraries intact
🔌 Plugin API — Custom transformers
⚡ Parallel pipeline — Fast processing for large JARs