Is JS Formatter free to use?

Yes, JS Formatter on DevHexLab is completely free. No login, no account, and no payment required.

Does JS Formatter upload my data to a server?

No. JS Formatter runs entirely in your browser using client-side JavaScript. Your data never leaves your device and is never sent to any server.

Can I use JS Formatter offline?

Yes. Once the page is loaded, JS Formatter works without an internet connection because all processing happens locally in your browser.

What category does JS Formatter belong to?

JS Formatter belongs to the "JavaScript & Code" category on DevHexLab. Minify, beautify, and lint JavaScript; convert between TypeScript and JavaScript; and transform code across common serialisation formats. Useful for debugging minified bundles, cleaning up third-party scripts, and preparing code snippets for sharing or production.

JS Formatter

Beautify and format minified or compressed JavaScript

javascriptjsformatbeautifyprettify

Formatting Options

Indent Size

Quotes

JavaScript Input

Formatted Output

JS Formatter is coming soon

This tool is actively being built and will be available shortly. All other tools on DevHexLab are free and ready to use now.

Check back soon

Learn more

Step-by-step guide

How to Format and Beautify JavaScript

Step-by-step guide to auto-formatting minified or messy JavaScript into readable code using the DevHexLab JS Formatter.

In-depth article

How to Format and Beautify JavaScript Code

Consistent JavaScript formatting makes code easier to read and review. Learn formatting conventions and how to beautify any JavaScript snippet instantly.

Related Tools

JS Minifier

Minify and compress JavaScript to reduce bundle size

CSS Formatter

Beautify and format compressed or minified CSS

Code Formatter

Format and beautify HTML, CSS, and JavaScript code