Output appears here...Why JS Beautifier
- Reformat minified JavaScript into readable, indented code.
- 2-space indent, sensible line breaks.
- Powered by js-beautify.
Common questions
Is JS Beautifier free to use?
Yes. JS Beautifier is completely free. There is no sign up, no trial, and no usage cap.
Do I need an account to use JS Beautifier?
No. You can start using JS Beautifier straight away. We do not ask for an email address or a login.
Is my data uploaded to a server when I use JS Beautifier?
No. JS Beautifier runs entirely inside your browser, so the code or data you enter never leaves your device and nothing is sent to us.
Do you store the code or data I use with JS Beautifier?
No. Because everything happens locally in your browser, there is nothing for us to store. Close the tab and it is gone.
Can I paste minified or messy code into JS Beautifier?
Yes. JS Beautifier handles compact, minified, or untidy input and processes it the same way.
Does JS Beautifier flag errors in my input?
Where it applies, JS Beautifier points out where something looks invalid so you can fix it quickly.
How do I use JS Beautifier?
Enter or paste your code or data and JS Beautifier updates the result as you go. When it looks right, copy or download it with one click.
Does JS Beautifier work on phones and tablets?
Yes. JS Beautifier is responsive and works in any modern browser on mobile, tablet, and desktop.
Which browsers does JS Beautifier support?
It works in current versions of Chrome, Firefox, Safari, and Edge. For the best experience, keep your browser up to date.
Is there a limit on how often I can use JS Beautifier?
No. You can use JS Beautifier as many times as you need, at no cost.
Can I use JS Beautifier for commercial or client work?
Yes. You are free to use the output in personal, educational, and commercial projects.
Why is JS Beautifier free?
The site is supported by advertising, which lets us keep every tool free and open to everyone.
What should I do if JS Beautifier gives an unexpected result?
First check that your code or data is formatted as expected. If something still looks wrong, use the feedback link on the page and we will take a look.