#javascriptUpdated 2026-07-26

JavaScript Formatter

Format JavaScript snippets for readability without leaving your browser.

Input

Output

Result will appear here.

runs locally

Features

Indent-aware formatting
Keeps common JS structure readable
No backend required

How to use JavaScript Formatter

1Paste JavaScript
2Click Format
3Copy the output

Example

Input — Example

const x=1;function hello(){return x;}

Output

const x = 1;
function hello() {
  return x;
}

What JavaScript Formatter does

Format JavaScript snippets for readability without leaving your browser. It runs entirely client-side, so nothing you enter is sent to a server — useful when working with sensitive data or when you just want an instant result without waiting on a network round-trip.