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TypeScript Formatter

Format and beautify TypeScript and TSX code with proper indentation, type alignment, and syntax highlighting.

Input TypeScript
Beautified Output
Input TypeScript

Fast & Private TypeScript Beautifier

Make messy, minified, or unformatted TypeScript code instantly readable. Powered by standard Prettier AST parsing, our formatter respects modern TS 5.x features, interfaces, type aliases, generics, enums, decorators, and React TSX syntax.

  • 100% Client-Side: Your proprietary source code and schemas never leave your device.
  • Modern TS Support: Formats generics, mapped types, decorators, satisfies operator, and TSX.
  • Mobile-First Design: Switch seamlessly between Input and Output tabs on smartphones and tablets.
  • Offline Capable: Works anywhere without an active internet connection once loaded.

How to Beautify TypeScript

Clean and format your script in 3 quick steps:

  1. Paste or Type: Insert your raw TypeScript or TSX code in the editor.
  2. Beautify: Click the Beautify button to format according to standard TS style rules.
  3. Copy or Download: One-tap copy the clean output or download it as a .ts file.

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Frequently Asked Questions

No, your TypeScript code never leaves your device. All formatting happens directly in your browser using client-side Prettier AST parsing.

Yes! It fully supports TypeScript 5.x, interfaces, type aliases, generics, enums, decorators, and React TSX syntax.

Yes! Once this page loads in your browser, all formatting libraries are cached locally, allowing you to format TypeScript without an internet connection.

TypeScript formatting includes type annotations, interface alignment, generic type parameter wrapping, and TSX component props formatting in addition to standard JS syntax.