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🌐

JS Beautifier – User Guide

📘 Overview

JS Beautifier formats messy or minified JavaScript into readable, well-indented code. Perfect for developers working with obfuscated or compressed scripts.

✅ How to Use

  1. Open the Tool: Use a web version (e.g., jsbeautifier.org) or install the desktop/CLI version.
  2. Paste or Upload Code: Input your JavaScript code into the provided area or upload a .js file.
  3. Configure Settings (Optional):
    • Indent size (e.g., 2 or 4 spaces)
    • Brace style (collapse/expand)
    • Preserve newlines
    • Detect packers (to unpack compressed code)
  4. Click Beautify: Press the button to generate formatted output.
  5. Copy or Download: Copy the beautified code or download it as a new file.

🧪 Example

🔹 Input (Minified):

function test(){console.log("hello");}

🔹 Output (Beautified):

function test() {
    console.log("hello");
}

⚙️ Advanced Features

  • Beautify HTML and CSS (if supported)
  • Dark mode interface (on some platforms)
  • Command-Line Interface: 
    js-beautify yourfile.js -o output.js

🚨 Tips & Notes

  • Ensure your input is valid JavaScript.
  • Large files may take more time to process.
  • This tool improves readability, not functionality.