JavaScript Formatter & Beautifier | Online JS Minifier

The Importance of Well-Formatted JavaScript

JavaScript is the engine that powers interactive and dynamic web applications. As the logic in your scripts becomes more complex with functions, objects, and asynchronous calls, maintaining clean and readable code is essential. Unformatted code is a common source of bugs and can be nearly impossible for other developers (or your future self) to understand.

How Our JavaScript Tool Improves Your Code

This tool is designed to help you write professional, maintainable JavaScript by automating the process of formatting and optimization.

• Beautify & Format: Adds consistent indentation and line breaks to your code, clarifying the structure of loops, functions, and conditional logic.
• Minify & Obfuscate: Reduces file size for production by removing whitespace and comments. While this tool performs basic minification, production workflows often use advanced tools like Terser for more aggressive optimization.
• Enhance Collaboration: When everyone on a team uses the same formatter, the code adopts a single, consistent style, making code reviews and collaboration much more efficient.
• Private & Secure: Your script's logic is your intellectual property. Our tool processes your code entirely in your browser, ensuring it stays confidential.

From Development to Production

A professional JavaScript workflow involves using a linter like ESLint and a formatter during development to catch errors and enforce style. This beautified, human-readable code is what you work with. Before deploying the application, a build process minifies the script to ensure users download the smallest, fastest version possible. Our tool provides both of these essential functions for free online.