Easily decode and beautify obfuscated JavaScript code online.
What is JavaScript Deobfuscator?
This tool helps decode and beautify complex or obfuscated JavaScript code. It makes unreadable code clear and structured again for easier analysis or debugging.
Why use JavaScript Deobfuscator?
- To inspect or debug obfuscated code.
- To restore minified or compressed JS into readable form.
- For ethical analysis, education, or code recovery.
- To compare file sizes between obfuscated and clean versions.
How to use JavaScript Deobfuscator?
- Paste or upload obfuscated JS into the input box.
- Click Format to beautify and decode.
- Use Validate to check syntax correctness.
- Compare original vs decoded size info shown below the output.
- Copy or download the cleaned version.
FAQ
Yes, all processing happens in your browser. No code is uploaded to servers.
It can reformat and partially simplify obfuscated code, but cannot decrypt encrypted payloads.
Yes, you can upload any .js or .txt file and view its beautified form instantly.