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JavaScript Beautifier & Formatter

Format and indent messy or minified JavaScript code.

Raw JavaScript Input
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Formatted Output
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How to use the JavaScript Beautifier

Paste your JavaScript code and click 'Beautify JS' to make it readable.

?Frequently Asked Questions

What is the JavaScript Beautifier & Formatter?

The JavaScript Beautifier formats minified or obfuscated JS code into readable, properly indented source code — making third-party scripts and production bundles reviewable.

Who is the JavaScript Beautifier & Formatter for?

Useful for developers auditing third-party JavaScript libraries and reviewing minified npm packages.

How to Use the JavaScript Beautifier & Formatter

  1. Paste your minified or unformatted JavaScript.
  2. Click Beautify JS.
  3. Copy the readable JavaScript.

Worked Calculation Example

Converting a minified one-liner into properly indented multi-line readable JS code.

Frequently Asked Questions

Does it support TypeScript?

Yes. The beautifier handles ES6+, JSX, and TypeScript syntax.

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