What does JavaScript Formatter do?
Format JavaScript and TypeScript code with Prettier.
Calculations happen instantly in your browser. Nothing you enter is stored or sent anywhere.
How to use JavaScript Formatter
- 1Enter or paste your input into the JavaScript Formatter.
- 2Adjust the options — results update instantly.
- 3Copy the result to your clipboard or download it.
Frequently asked questions
Is JavaScript Formatter free?
Yes. JavaScript Formatter is completely free with no sign-up and no watermarks.
Is my data stored?
Calculations happen instantly in your browser. Nothing you enter is stored or sent anywhere.