JavaScript Formatter
Format JavaScript code using a free online JavaScript formatter and beautifier. This tool indents and beautifies code with customizable options to enhance readability, simplify debugging, and ensure consistent coding standards.
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How to Use
- Paste your JavaScript code in the input field
- Configure formatting options:
- Choose indentation style and size
- Set quote style preferences
- Configure bracket spacing
- Adjust maximum line width
- Click "Format Code" to beautify your code
- Copy the formatted result
Common Uses
- Cleaning up minified code
- Maintaining consistent code style
- Improving code readability
- Preparing code for code reviews
- Debugging complex JavaScript
- Learning proper code formatting
Tool Options
- Semicolons: Add or remove semicolons at line endings
- Quote Style: Choose between single or double quotes
- Bracket Spacing: Add spaces inside object literals
- Arrow Functions: Control parentheses around parameters
- Indentation: Set indent size and style
- Line Width: Maximum characters per line
- Minify: Compress code by removing whitespace
Tips and Tricks
- Use consistent indentation for better readability
- Keep line lengths reasonable (80-120 characters)
- Add spaces around operators for clarity
- Use semicolons to prevent ASI issues
- Format code before committing to repositories
- Consider team preferences when choosing options