JavaScript Formatter

Beautify or minify your JavaScript code instantly.

Runs entirely in your browser

How it works

Format or minify JavaScript in three simple steps.

1

Paste your JavaScript

Paste raw JavaScript code from any source or project.

2

Choose an action

Beautify for readability or minify for production use.

3

Copy the result

Copy the formatted or minified output to your clipboard.

Why use KepTools for JavaScript?

Instant formatting

Beautify or minify JavaScript instantly with zero latency.

100% private

Your data never leaves your browser. All processing happens locally.

Size comparison

See original vs output size to measure compression savings.

No account needed

Just open the page and start formatting. No sign-ups or logins required.