JavaScript Formatter
// Beautify and format JavaScript code
#About JavaScript Formatter
Free online JavaScript formatter and beautifier. Format minified or messy JS code with proper indentation. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
#FAQ
How do I format minified JavaScript? ▾
Paste your minified or obfuscated JavaScript into the input field. The formatter will reconstruct proper indentation, line breaks, and spacing to make the code readable and debuggable.
Does the JavaScript formatter support ES6 and modern syntax? ▾
Yes, the formatter handles modern JavaScript features including arrow functions, template literals, destructuring, async/await, and optional chaining syntax.
</> Embed this tool ▾
Copy this code to embed the tool on your website. Adjust the height to fit your layout.
<iframe src="https://www.browserutils.dev/embed/javascript-formatter" width="100%" height="500" frameborder="0" title="JavaScript Formatter"></iframe>