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JSON to TypeScript

Instantly generate TypeScript interfaces from JSON data. Save time and ensure type safety in your applications.

JSON Input
TypeScript Interfaces
How it works

This tool recursively crawls your JSON structure to identify types, nested objects, and arrays. It then generates individual interfaces for each unique object structure found.

  • Arrays: Inferred as `any[]`, `string[]`, etc. or as item-specific interfaces.
  • Nested Objects: Automatically extracted into separate reusable interfaces.
  • Naming: Property names are used to suggest interface names (e.g., a "user" property might generate an "IUser" or "User" interface).