JavaScript Beautifier

Format and beautify JavaScript and TypeScript code.

Input JavaScript
Output

How to Use JavaScript Beautifier

  1. Select or input your source files/data into the editor workspace above.
  2. Customize configuration settings, target formats, quality levels, or parameters.
  3. Inspect instant live previews, comparisons, or validated outputs.
  4. Click the download or copy button to export your final processed results.

Why Use DevLoom's JavaScript Beautifier?

  • 100% Client-Side Privacy: Zero server uploads. Your data stays on your machine.
  • Instant Performance: Powered by modern Web APIs and WebAssembly.
  • Zero Cost: Forever free, no subscriptions, and no hidden limits.

Frequently Asked Questions

What is the JavaScript Beautifier tool used for?
The JavaScript Beautifier is a free online utility designed to format and beautify javascript and typescript code. It processes data fast and runs 100% inside your web browser.
Is my data private and secure when using JavaScript Beautifier?
Yes, 100%. All processing is performed locally on your device via client-side JavaScript. None of your data, images, files, or text are ever uploaded, saved, or logged on external servers.
Is JavaScript Beautifier free to use?
Yes! JavaScript Beautifier on DevLoom is completely free with no usage limits, no trial periods, and no account signup required.