What is the JavaScript Formatter?
Re-indent JavaScript by brace depth. The JavaScript Formatter is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other JavaScript tools on DevNibble such as JavaScript Minifier.
A lightweight brace-based beautifier. It handles common code well but is not a full JS parser.
How to use the JavaScript Formatter
- Paste or type your data into the input panel.
- Adjust the formatting options if you need to.
- Copy or download the formatted result.
Features
- Runs 100% in your browser — your data is never uploaded or stored.
- Free forever, with no account, no ads and no tracking.
- Copy or download your result in one click.
- Fast and responsive on desktop, tablet and mobile.
Frequently asked questions
Is the JavaScript Formatter free to use?
Yes — JavaScript Formatter is completely free with no sign-up, no ads and no limit on how many times you can use it.
Is my data private when I use the JavaScript Formatter?
Everything happens locally in your browser. Your input is never sent to a server, which makes JavaScript Formatter safe to use with private or sensitive data.
How do I use the JavaScript Formatter?
Paste your code or data into the input box and the formatted, indented result appears instantly. Use the Copy or Download button to save it.
Do I need to install anything to use the JavaScript Formatter?
No installation and no account required — JavaScript Formatter runs entirely in your web browser on desktop and mobile. Re-indent JavaScript by brace depth.