JavaScript DeObfuscator
Easily deobfuscate JavaScript code and reveal its true logic with our free tool
Decode Obfuscated JavaScript Code Instantly
Need to understand or troubleshoot JS code heavily obfuscated? Our JavaScript DeObfuscator enables you to reverse-engineer messy or compressed code into a straight-ahead, human-readable one.
- Free & Instant
- 100% Online – No Install Needed
- Great for Debugging, Security & Learning
Key Features
- Intelligent Logic Detection: Reset variables, effective function names, and forms.
- Indicates Output Reading: Even makes the obfuscated or minified code readable.
- Safety: Run on your browser, protected by private code.
- Paste or Upload JS Files: Multiple ways of input.
- These are Ideal for Developers, Pen Testers, and Learners.
How to Use the JavaScript DeObfuscator
- Paste your obfuscated JS code
- Click “DeObfuscate”
- Instantly see a cleaner, more understandable version of the code
- Copy or download the result
Why Use a DeObfuscator?
- Troubleshooting third-party or legacy scripts
- Auditing for suspicious or malicious code
- Gaining knowledge about the working of compressed JS scripts
- To analyze the code for vulnerabilities or backdoors
- Maintaining code quality and transparency.
Use Cases
- Malware Analysis / Reverse Engineering
- Educational JS Debugging
- Open Source Contribution Reviews
- Browser Extension Code Review
- Security Audits
100% Secure and Confidential
With this tool, no code is ever uploaded to a server; everything is processed in the browser. Ideal for delicate or security-related tasks.