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JavaScript Formatter

Beautify and format JavaScript and TypeScript code with proper indentation.

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About JavaScript Formatter

Format messy, minified, or poorly indented JavaScript and TypeScript code into clean, readable, properly structured code. Handles functions, objects, arrays, arrow functions, and modern ES6+ syntax.

Key Features

  • Process and beautify data entirely in your browser — nothing is sent to any server
  • Handles edge cases, special characters, and large inputs gracefully
  • Customizable indentation with spaces or tabs
  • Preserves code semantics while improving readability
  • Handles minified, compressed, and malformed input
  • Responsive design — works perfectly on desktop, tablet, and mobile

How to Use JavaScript Formatter

  1. 1Paste your javascript into the input area — you can paste minified or messy code
  2. 2Select your preferred indentation style (spaces or tabs) and depth
  3. 3Click the format button to instantly beautify your javascript
  4. 4Review the formatted output and click "Copy" to use it in your project

When to Use JavaScript Formatter

JavaScript Formatter is ideal for developers who need a quick, reliable way to beautify and format javascript and typescript code with proper indentation. Whether you're working on a personal project, debugging production issues, or building enterprise applications, this tool saves time by handling formatters & beautifiers tasks directly in your browser without requiring any software installation or account setup.

Common use cases include day-to-day development workflows, code reviews, API debugging, data migration tasks, and quick one-off transformations. Since all processing happens client-side, JavaScript Formatter is safe to use with sensitive or proprietary data — nothing ever leaves your machine.

Frequently Asked Questions

Q.Does it support TypeScript?

Yes. The formatter handles both JavaScript and TypeScript code, including type annotations and interfaces.

Q.Does it support ES6+ syntax?

Yes. Arrow functions, template literals, destructuring, async/await, optional chaining, and other modern syntax are fully supported.

Q.Can it unminify bundled JavaScript?

Yes. It can beautify minified production code to make it readable for debugging, though variable names remain minified.

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