JS Formatter

What is a JavaScript Formatter?

A JavaScript formatter (beautifier) transforms minified or poorly formatted JS code into clean, readable code with proper indentation and structure.

How to Use This Tool

Paste your JavaScript code and click "Format". The tool will add proper spacing, line breaks, and indentation while preserving functionality.

Why Format JavaScript?

• Debugging: Easier to spot syntax errors
• Readability: Understand code flow
• Code Reviews: Clean diffs and reviews
• Learning: Study how code works

JavaScript Style Guides

Popular style guides include Airbnb, Google, and StandardJS. Most use 2-space indentation and semicolons.

FAQ

Does formatting affect performance?
No, formatted code performs identically to minified code in production after build processes.