JavaScript Beautifier
Format and beautify JavaScript code with customizable options. Free online JS formatter with syntax highlighting and error detection.
Features
Code Formatting
Format JavaScript code with proper indentation, spacing, and line breaks. Customizable formatting options available.
Syntax Highlighting
Clear syntax highlighting makes code easier to read and understand. Highlights different code elements.
Error Detection
Identify syntax errors and potential issues in your JavaScript code. Get helpful error messages.
Custom Options
Adjust indentation, line breaks, and other formatting options to match your coding style.
How to Use
Paste your JavaScript code into the input area
Adjust formatting options if needed
Click "Beautify" to format your code
Copy the formatted result or download it
Common Use Cases
Development
- Clean up minified code
- Format source files
- Prepare code for review
- Debug JavaScript issues
- Improve code readability
Maintenance
- Standardize code style
- Format legacy code
- Prepare documentation
- Share readable code
- Code organization
Frequently Asked Questions
What is JavaScript beautification?
JavaScript beautification is the process of formatting JavaScript code to make it more readable. It adds proper indentation, spacing, and line breaks while maintaining the code's functionality.
Does beautifying affect code functionality?
No, beautifying JavaScript code only changes its formatting and appearance. The code's functionality remains exactly the same. It's a safe operation that doesn't modify the logic of your code.
What formatting options are available?
You can customize indentation (spaces or tabs), brace style, line breaks, maximum line length, and other formatting options. The tool provides flexibility to match your preferred coding style.