Protect Your Code — Lua, JavaScript, Python, Java & More

Your code gets encrypted into bytecode designed to resist reverse engineering. 8 languages supported, free to start.

Supported Languages

  • Lua Obfuscator
  • Roblox Script Obfuscator
  • FiveM Lua Obfuscator
  • Garry's Mod Lua Obfuscator
  • JavaScript Obfuscator
  • Python Obfuscator
  • Java & JAR Obfuscator
  • PHP Obfuscator
  • Go Obfuscator
  • Ruby Obfuscator
  • Kotlin Obfuscator

Why Joker Obfuscator

VM Bytecode Protection

Your source is compiled to bytecode and executed inside a custom virtual machine — the original code never exists at runtime.

Unique Every Build

Protect the same file twice and get completely different output. No two builds look alike.

Anti-Tamper

Built-in tamper detection silently breaks edited output, making protected files impractical to patch.

Frequently Asked Questions

Is it really free?

Yes. Sign up and get 300 credits instantly — three free protections, no card required.

Can someone still steal my code?

Your code gets converted to encrypted bytecode inside a virtual machine, so anyone who copies the file gets the VM payload instead of your readable source.

Does it work with Roblox?

Yes. Tested on real Roblox games including GUIs, leaderstats, combat systems, and sprint mechanics. No loadstring required.

What about FiveM and Spigot?

Yes. Works with FiveM resources (ESX, QBCore) and Spigot/Bukkit plugins. Your scripts run the same, just protected.

Will it slow down my code?

No noticeable difference. The protection runs efficiently and your scripts perform the same as before.

What if someone edits the protected file?

Built-in tamper detection silently breaks the output. The code still runs but produces wrong results, making the tampering very hard to trace and fix.

Is my source code safe with you?

We never store or log your code. Everything is processed in memory and deleted instantly.

Explore

  • Pricing
  • Joker Academy (Free Course)
  • Guides & Articles
  • API Documentation
  • Partner Program