JavaScript Formatter

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JavaScript Formatter & Beautifier

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// Formatted code will appear here

Example JavaScript Formatting

// Original code:
function test(){ let x=10;console.log('Unformatted:',x); }

// Formatted code:
function test() {
    let x = 10;
    console.log("Unformatted:", x);
}

// Minified code:
function test(){let x=10;console.log("Unformatted:",x)}
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How to Use the JavaScript Formatter

Input Your Code

  • Paste your JavaScript code into the input area
  • Works with any valid JavaScript code
  • Detects and highlights syntax errors
  • No code is sent to servers - processing happens in your browser

Configure Formatting

  • Indentation: Choose between 2 spaces, 4 spaces, or tabs
  • Brace Style: Collapse braces on same line or expand to new line
  • Quote Style: Use single quotes, double quotes, or auto-detect
  • Other Options: Preserve comments, wrap line length, etc.

Format or Minify

  • Format: Beautifies code with proper indentation and spacing
  • Minify: Compresses code by removing whitespace and shortening variables
  • View formatted code with syntax highlighting
  • Copy formatted code to clipboard with one click

Best Practices

  • Format code before sharing with others
  • Minify production code for better performance
  • Use consistent formatting across your projects
  • Fix syntax errors before formatting
  • Save formatted code to maintain readability