JS Beautifier
Format and beautify JavaScript
Input Code
Formatted Code
About JavaScript Beautifier
1What is it?
Format and beautify minified or obfuscated JavaScript code. Restore proper indentation and spacing to make scripts readable and easier to debug.
2Use Cases
- Understand how a minified script works
- Debug third-party code
- Clean up messy code before committing
- Learn coding patterns from examples
3Examples
Beautify JS
Input
function f(a){return a+1}Output
function f(a) {
return a + 1;
}?Frequently Asked Questions
Does it support modern ES6+ syntax?
Yes, our formatter supports modern JavaScript features including arrow functions, classes, and modules.