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JSON to TypeScript Interface

Generate TypeScript interfaces from JSON objects in your browser. Your data never leaves your device. Free and private.

No uploads. No account. Free to use.

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  • Files never leave your device
  • Runs entirely in your browser
  • No signup required
  • Free

What is JSON to TypeScript Interface?

JSON to TypeScript Interface analyzes a JSON sample and produces corresponding TypeScript interface definitions. Generation is local.

Key features

  • Nested object support
  • 100% client-side

How to use it

  1. Open the tool.
  2. Paste a JSON object.
  3. Copy the generated interface.

When to use it

Use when scaffolding TypeScript types from real API responses while keeping the sample private.

In this family

JSON tools — related tools in the same cluster.

Frequently asked questions

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