Free JavaScript Beautifier

JavaScript Beautifier

Format and Beautify Your JavaScript Code Instantly

Beautify JavaScript online for free with Evano's fast, easy tool. Format and enhance your JS code readability in seconds—perfect for developers and debugging!

Enter JavaScript code to format it with proper indentation and structure.

Why Use Our JavaScript Beautifier?

Instant Formatting

Lightning-fast JavaScript beautification with real-time results. Format any amount of JavaScript code instantly without delays or server uploads.

Enhanced Readability

Proper indentation, line breaks, and formatting make your JavaScript code easier to read, debug, and maintain for better development workflow.

Modern JS Support

Supports ES6+, React JSX, Node.js, and all modern JavaScript features. Works with frameworks, libraries, and vanilla JavaScript code.

Development Ready

Perfect for web developers, code reviews, and collaborative projects. Clean, properly formatted output ready for production use and team collaboration.

Frequently Asked Questions

What is JavaScript beautification and why is it important?

JavaScript beautification formats and properly indents JavaScript code to make it more readable and maintainable. This is essential for debugging, code reviews, collaboration, and understanding complex scripts and applications.

Is this JavaScript beautifier tool completely free?

Yes, our JavaScript beautifier is completely free with no hidden costs, registration requirements, or usage limits. You can format unlimited JavaScript code without any restrictions or watermarks.

What JavaScript formatting features does this tool provide?

Our tool provides proper indentation, line breaks, function formatting, object structure alignment, comment preservation, and consistent spacing. It handles ES6+, React JSX, Node.js, and all modern JavaScript features.

Is my JavaScript code secure when using this beautifier?

Absolutely. All formatting is performed locally in your browser - no code is sent to our servers. Your JavaScript content remains completely private and secure throughout the entire beautification process.

Can I beautify large JavaScript files or frameworks?

Yes, you can beautify both small JavaScript snippets and large application files. Our tool efficiently handles content of any size, from simple functions to complete frameworks with complex nested structures.