JavaScript Beautifier
Format JavaScript for easier review.
How to use JavaScript Beautifier
Format JavaScript for easier review.
- Select Load example or paste your own test input.
- Choose Run and review the available options.
- Run the selected action; review any validation message.
- Inspect the output before copying, printing or downloading it.
A small example
Input:
const greet=(name)=>{return "Hello "+name};
Example output:
const greet = (name) => {
return "Hello " + name;
};
When the result looks wrong
Readable formatting does not prove correctness or safety. Do not run unfamiliar scripts merely because they have been formatted.
Questions about JavaScript Beautifier
Is my input uploaded?
File and text processing runs in your browser. Opening the website still loads application assets from its host.
What if the result looks wrong?
Readable formatting does not prove correctness or safety. Do not run unfamiliar scripts merely because they have been formatted.
Can I use sensitive production data?
Prefer non-sensitive test data. Never paste live access tokens, passwords or confidential documents into a site without assessing its code and environment.
Supported input and output
Text input; check the selected action and example for the expected syntax.
See the result panel and available copy or download controls for the selected action.