Use this free online JavaScript Beautifier to format, beautify, and organize JavaScript code into a clean and readable structure. Whether you are working with minified JavaScript, debugging application code, or reviewing scripts, this tool makes it easier to inspect, edit, and maintain your code.
Simply paste your JavaScript code or upload a JavaScript file, select your preferred formatting options, and instantly generate neatly formatted output. If you need to reduce file size after editing, you can also use our JavaScript Minifier.
JavaScript Beautifier Examples
Input
function calculateTotal(l,o){const t=l*o;return console.log("Total:",t),t}calculateTotal(25,4);Output (Beautified JavaScript)
function calculateTotal(price, quantity) {
const total = price * quantity;
console.log("Total:", total);
return total;
}
calculateTotal(25, 4);Frequently Asked Questions
What does a JavaScript Beautifier do?
A JavaScript Beautifier reformats JavaScript code using indentation, spacing, and line breaks to improve readability.
Does beautifying change my code?
No. Beautifying only changes code formatting and does not affect functionality.
Is my JavaScript code stored?
No. Processing occurs in your browser and your code is not stored on our servers.