JavaScript Code Obfuscator
Protect your JavaScript code from copying and analysis through advanced obfuscation. Multiple protection levels, from basic to very advanced. Everything works locally in the browser.
Security
Protects JavaScript code from copying, analysis, and unauthorized use.
Fast Obfuscation
Code processing in a fraction of a second directly in the browser.
Multi-level Protection
8 different obfuscation techniques for maximum protection of your code.
Privacy
All obfuscation happens locally. Your code is not sent to any server.
What is JavaScript code obfuscation?
Obfuscation is the process of transforming JavaScript code into a form difficult for humans to read, while maintaining full functionality. It's like changing a programming language into a cipher - the code works identically but is almost impossible for an unauthorized person to understand.
Why obfuscate code?
Intellectual Property Protection
Makes theft of algorithms, business logic, and unique solutions difficult. Competitors cannot simply copy your code.
Security
Hides sensitive data like API endpoints, authorization logic, or configuration strings from potential attackers.
Reverse Engineering Difficulty
Analyzing obfuscated code requires enormous time and effort, effectively discouraging most potential imitators.
Reduced Attack Surface
Hackers don't see code structure, function names, or variables, making it much harder to find security vulnerabilities.
How to obfuscate JavaScript code?
Paste your JavaScript code
Copy the code you want to protect and paste it into the field on the left. You can also load a .js file directly.
Select obfuscation techniques
Select techniques you want to apply or use a ready preset (Low/Medium/High). Each technique adds a layer of protection.
Copy or download
Obfuscated code will appear on the right. Copy it with one click or download as a file. Done!
Frequently Asked Questions
Find answers to the most common questions