Free Online JavaScript Beautifier and Formatter: Beautify and Format Your JavaScript Code with Ease

What is JavaScript Code Formatting?

JavaScript formatting transforms messy, minified, or inconsistent JavaScript code into clean, readable, and properly indented code. Our free online JavaScript formatter instantly beautifies your JS code with proper spacing, line breaks, and indentation.

Professional code formatting is essential for debugging, code reviews, and maintaining large JavaScript projects. Use our tool to make your code more readable and follow industry standards.

How to Format JavaScript Code

Paste your minified or unformatted JavaScript code into the input area

Choose your preferred indentation style (spaces or tabs)

Click 'Format' to instantly beautify your JavaScript code

Copy the formatted code or download it as a .js file

Works with ES6, ES2017, Node.js, and all modern JavaScript syntax

Why Use Our JavaScript Formatter?

100% free online tool with no limitations or premium features

Supports latest JavaScript syntax including async/await and arrow functions

Customizable formatting options for different coding standards

Instant results with syntax highlighting for better code visualization

No file uploads required - all processing happens in your browser

Mobile-friendly interface for formatting code on any device

JavaScript Formatting Best Practices

Consistent Indentation: Use 2 or 4 spaces consistently throughout your codebase

Meaningful Variable Names: Format helps reveal unclear variable naming patterns

Function Structure: Proper formatting makes function boundaries and scope clear

Code Reviews: Well-formatted code is easier to review and understand

Team Collaboration: Consistent formatting reduces merge conflicts and improves teamwork

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