JavaScript Deobfuscator
Paste obfuscated JS and get clean, readable output instantly. AST-based transforms. No install. No account.
Input — Obfuscated JS0 chars
Output — Clean JS
Why Use JSDeobfuscator.com?
Built for developers who need fast, accurate JavaScript deobfuscation.
AST-Based Deobfuscation
Parses code into an Abstract Syntax Tree for deep semantic transforms — not just string replacements.
Instant Results
Server-side processing returns clean code in milliseconds. No setup, no install.
Privacy First
Your code is never stored. Processing happens in memory and is immediately discarded.
Monaco Editor
VS Code's editor engine provides full syntax highlighting for both input and output panels.
Multiple Modes
Auto-detect, deobfuscate, beautify-only, or unminify — pick what you need.
Export Result
Copy to clipboard or download the cleaned JS file with a single click.
Frequently Asked Questions
Everything you need to know about JavaScript deobfuscation.