JavaScript Beautifier Online - JS Formatter

How to Use

1. Paste your JavaScript code in the input area
2. Choose your formatting options:
   • Set indentation size or use tabs
   • Configure brace and spacing styles
   • Set comment handling preferences
   • Choose method and array formatting
3. Click "Beautify JavaScript" to format your code
4. Use "Copy to Clipboard" to save the result

Common Uses

• Code Cleanup - Format messy or minified JavaScript
• Development - Maintain consistent code style
• Code Review - Make JavaScript more readable
• Learning - Understand code structure
• Debugging - Find issues in JavaScript code

Options Explained

• Indentation Size - Number of spaces for each level
• Use Tabs - Use tab characters instead of spaces
• Remove Comments - Strip JavaScript comments
• Same-line Braces - K&R style brace placement
• Preserve Empty Lines - Keep blank lines for readability
• Space Before Conditional - Add space before if/for/while
• Spaces in Parentheses - Add spaces inside parentheses
• Break Chained Methods - Put each method call on new line
• Keep Array Indentation - Preserve array formatting

Tips and Tricks

• Use consistent indentation for better readability
• Keep comments for important code documentation
• Choose appropriate brace style for your team
• Break long method chains for clarity
• Maintain consistent spacing conventions