JS Beautifier

Format and beautify your JavaScript code with custom indentation

Indent:
0 tokens
0 characters
0 tokens
0 characters

📚 Example Usage

Minified JavaScript Input:

function greet(name){if(name){return "Hello, "+name;}else{return "Hello, World!";}}

Beautified Output (2 spaces):

function greet(name) {
  if(name) {
    return "Hello, "+name;
  }
  else {
    return "Hello, World!";
  }
}

What is JS Beautifier?

JS Beautifier is a free online tool that formats and beautifies JavaScript code with proper indentation and structure. Transform minified, compressed, or messy JavaScript into clean, readable, and well-organized code instantly.

Key Features

  • Beautify JavaScript: Format minified JS with customizable indentation (2, 4, or 8 spaces)
  • Minify JavaScript: Compress code to reduce file size
  • Smart Formatting: Handles comments, strings, and nested blocks correctly
  • Token Counter: GPT tokenizer for AI and code analysis applications
  • File Upload: Upload .js, .jsx, .ts, .tsx files directly
  • Copy & Download: Quick copy to clipboard or download as .js file
  • Client-Side Processing: All formatting happens in browser - code stays private
  • Dark Mode: Eye-friendly interface for coding comfort

Why Use JS Beautifier?

JavaScript beautifier helps you:

  • Debug minified JavaScript code
  • Make bundled code readable
  • Format JavaScript from CDNs and libraries
  • Understand obfuscated code structure
  • Share formatted code with team members
  • Reduce JavaScript file size with minification
  • Maintain consistent code style

How to Use

  1. Paste your JavaScript code or upload a .js/.jsx/.ts/.tsx file
  2. Select your preferred indentation (2, 4, or 8 spaces)
  3. Click "Beautify" to format or "Minify" to compress
  4. View formatted code with token and character count
  5. Copy to clipboard or download the result

Privacy & Security

Your JavaScript code never leaves your browser. All formatting happens client-side using JavaScript, ensuring complete privacy and security for proprietary code and sensitive scripts.

Frequently Asked Questions