JavaScript / TypeScript Beautifier
Format and beautify your JavaScript or TypeScript code with customizable options
Language
Select your code language (auto-detects if wrong)
Formatting Options
Customize how your code will be formatted
Input Code
Paste your JavaScript code here
1 lines0 chars
Beautified Code
Formatted and beautified output
1 lines0 chars
How to Use
Instructions:
- Select your code language (JavaScript or TypeScript)
- Customize formatting options to match your preferences
- Paste your minified or messy code in the input area
- Click "Beautify Code" to format your code
- Copy the beautified code to use in your project
- Use "Load Sample" to see an example
✨ Auto-Detection: The tool automatically detects if you paste TypeScript code while in JavaScript mode (or vice versa) and will switch languages for you!
Formatting Options:
- Indent Size: Number of spaces for each indentation level (2, 4, or 8)
- Use Tabs: Use tab characters instead of spaces for indentation
- Semicolons: Add or remove semicolons at the end of statements
- Quotes: Use single quotes (') or double quotes (") for strings
- Trailing Newline: Add a newline at the end of the file
Use Cases:
- Format minified JavaScript/TypeScript code for better readability
- Standardize code formatting across your team
- Clean up messy or inconsistently formatted code
- Prepare code for code reviews or documentation
- Learn proper code formatting conventions
Example:
Before (minified):
function greet(name){if(name){return "Hello, "+name}}After (beautified):
function greet(name) {
if (name) {
return 'Hello, ' + name;
}
}Note: This tool uses Prettier for professional code formatting. It produces consistent, production-ready output following industry standards.