JSON to TS

JSON to TypeScript interface

JSON Input
TypeScript Output

JSON to TypeScript User Guide

Features

  • Auto Type Inference - Automatically infer TypeScript types from JSON
  • Nested Objects - Generate sub-interfaces for deeply nested objects
  • Array Support - Auto-detect arrays and generate correct types
  • Optional Fields - Mark nullable fields as optional

Use Cases

  • API response type definitions
  • Config file type declarations
  • Frontend-backend interface alignment
  • Quickly generate TypeScript types

常见问题

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