JavaScript Code Formatter

Transform messy JavaScript code into beautifully formatted, readable code. Our JavaScript formatter provides instant validation, syntax highlighting, minification, and beautification options. Perfect for developers working with ES6+, React, Node.js, and modern JavaScript frameworks.
ES6+ Support Syntax Highlighting Minification Option Error Detection
Quick Examples
ARROW: const sum = (a, b) => a + b
DESTRUCTURING: const { name, age } = user
ASYNC: async function fetchData() { ... }
JavaScript Code Input
Format Settings
Code Statistics
0
Lines
0
Characters
0
Functions
0
Classes
Formatted JavaScript Code

Help & Related Tools

Everything you need to know

FAQ Frequently Asked Questions

What features does the JavaScript Code Formatter offer?
This tool provides JavaScript beautification, minification, syntax highlighting, error detection, ES6+ support, and export options. Perfect for formatting React, Node.js, and modern JavaScript code with customizable indentation and quote styles.
How do I format my JavaScript code?
Simply paste your JavaScript code into the input area and click "Format Code". The tool works entirely in your browser with real-time validation and supports both beautification and minification modes.
Is the JavaScript formatter compatible with all devices?
Yes, this tool works on all modern browsers and devices. It supports ES6+, React JSX, Node.js, and all JavaScript frameworks. No installation required - everything runs client-side.
Are there any limitations I should know about?
The tool handles most JavaScript syntax including ES6+ features, but very large files (over 10MB) may affect performance. For optimal results, use with standard JavaScript, React, or Node.js code.
Can I minify JavaScript code for production?
Absolutely! The tool includes a minification feature that removes comments, whitespace, and optimizes code for production deployment while maintaining functionality.

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