Free JavaScript Deobfuscator

JavaScript Deobfuscator

Easily Deobfuscate JavaScript Code to Make It Readable Again

Deobfuscate JavaScript online for free with Evano's fast, easy tool. Simplify obfuscated code into readable format in seconds—perfect for developers and analysts!

Enter obfuscated JavaScript code to make it readable and understandable.

Why Use Our JavaScript Deobfuscator?

Instant Deobfuscation

Lightning-fast JavaScript deobfuscation with real-time results. Process obfuscated code instantly without delays or server uploads.

Security Analysis

Analyze obfuscated JavaScript for security purposes, identify potential threats, and understand what third-party scripts are actually doing.

Debugging Support

Make minified or obfuscated JavaScript readable for debugging purposes. Essential for troubleshooting production issues and code analysis.

Developer Essential

Essential tool for developers working with minified libraries, analyzing competitor code, or reverse engineering for educational purposes.

Frequently Asked Questions

What is JavaScript deobfuscation and when is it needed?

JavaScript deobfuscation reverses the obfuscation process to make minified, encoded, or deliberately obscured JavaScript code readable again. It's essential for debugging, security analysis, and understanding third-party code.

Is this JavaScript deobfuscator tool completely free?

Yes, our JavaScript deobfuscator is completely free with no hidden costs, registration requirements, or usage limits. You can deobfuscate unlimited JavaScript code without any restrictions.

What types of obfuscated JavaScript can this tool handle?

Our tool can handle various obfuscation techniques including variable renaming, string encoding, code minification, and basic scrambling methods commonly used in web applications.

Is my JavaScript code secure when using this deobfuscator?

Absolutely. All deobfuscation is performed locally in your browser - no code is sent to our servers. Your JavaScript content remains completely private and secure throughout the process.

Can deobfuscation completely restore original code?

Deobfuscation can significantly improve readability by formatting code and reversing basic obfuscation, but it cannot fully restore original variable names or comments that were removed during obfuscation.