Application & Code Security100% In-BrowserCode Deobfuscator
JavaScript Deobfuscator & Formatter
Unpack eval packers, decode hex strings, beautify minified scripts, and deobfuscate suspicious scripts for analysis.
Real-time processing·No server uploads·Zero telemetry
javascript-deobfuscator-&-formatter
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How to Use JavaScript Deobfuscator & Formatter
01
Paste obfuscated or minified JavaScript.
02
Click 'Deobfuscate & Format'.
03
Read formatted, syntax-highlighted code for security inspection.
Privacy Guarantee
JavaScript Deobfuscator & Formatter runs 100% client-side in your web browser. Your data, passwords, keys, and files are processed using the Web Crypto API and never transmitted to any server. Zero telemetry, zero storage, zero cloud processing.
Frequently Asked Questions
Can this unpack eval(function(p,a,c,k,e,d)... packers?
Yes! It safely extracts payload strings from common JS packer wrappers.
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