How can I make my messy JavaScript code look professional?

Imagine you've inherited a giant 'one-liner' function or just finished a long coding session—our beautifier is like a expert editor. It adds proper indentation, spaces, and line breaks automatically.

Does this tool work for modern ES6+ features like arrow functions?

Ever worried that a new 'async/await' or template literal would break your formatter? We've built in full support for all modern JavaScript features, so your newest code stays just as clean as the classics.

Is it safe to paste my application code into an online tool?

Imagine you're doing your work in a secure, digital room that's entirely off-the-grid—that's how our tool works. Your code is formatted or minified locally 100% in your browser, meaning it never leaves your computer.

javascript beautifier & minifier

Beautify or minify JavaScript code online for free. Format messy JS with ES6+ support or compress it for production. 100% client-side — your code never leaves your browser.

Source Code

JS / TS

Formatted Result

Load From CDN

Instantly fetch and format popular JavaScript libraries.

Quick Guide

Getting Started in Seconds

Input Content

Enter or paste the content you want to process into the input area.

Configure & Process

Adjust any available settings and click the 'Process' button to start.

Copy Result

Your processed result will appear in the output area. Use the copy button to grab it.

Support

Common
Questions

Have a different question about JavaScript Beautifier & Minifier? Feel free to reach out or explore our other documentation.

1Is the JavaScript Beautifier & Minifier free to use?

Yes, the JavaScript Beautifier & Minifier is completely free to use. We provide professional-grade tools at no cost to help developers and creators work more efficiently.

2Is my data secure?

Absolutely. All processing happens locally in your browser. We do not store, transmit, or even see your data. It never leaves your device.

3Do I need to install anything?

No installation is required. This is a web-based tool that works directly in any modern browser across all your devices.