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JavaScript Beautifier & Formatter

Paste minified or unformatted JavaScript to instantly beautify it with proper indentation and readable structure.

JavaScript Beautifier

Paste your JavaScript on the top and get pretty‑printed output below.

Input JavaScriptUnformatted / minified
Formatted JavaScript

Formatted JavaScript will appear here...

How to use

  1. Paste your JavaScript code into the input area.
  2. Click "Format JS" to beautify with consistent indentation.
  3. Copy the formatted output with the copy button.

Everything runs in your browser — no data is sent to any server.