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JavaScript Formatter

JavaScript Formatter

Format JavaScript with Prettier. The code is never executed.

Tool

Input

Output

Output appears here.

Your data stays in this browser and is not uploaded.

How it works

1
Paste JavaScript.
2
Format it.
3
Copy or download the formatted source.

Related tools

HTML FormatterFormat HTML with Prettier. The markup is not rendered or executed.
CSS FormatterFormat CSS with Prettier. The stylesheet is not applied to this site.
JSON FormatterFormat, validate, and minify JSON in the browser. Nothing you paste is uploaded.

Questions

Do you run the code?

No. Prettier parses it as text to print it. It is not evaluated.