Developer

JavaScript Formatter

Beautify JavaScript with readable indentation. Side-by-side input and output.

Input
Formatted
function greet(name) {
  console.log("Hello " + name);
  return true
}

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Frequently Asked Questions

Quick answers to common questions

Does it fix syntax errors?+

Invalid JS may not format correctly. Fix syntax errors first.

Is my code uploaded?+

No. Formatting runs entirely in your browser.

Can I minify too?+

Use Code Minifier for HTML/CSS minify. This tool beautifies JS.

ES6+ support?+

Yes. Modern JavaScript syntax is supported by the formatter.

Indent size?+

Uses 2-space indentation by default.

Copy formatted output?+

Yes. Use the Copy button on the output panel.

Large files?+

Very large scripts may be slow in-browser.

Free?+

Yes.