JSON to TypeScript

Generate TypeScript interfaces from JSON.

INPUT

39 chars

OUTPUT

68 chars

interface Root { name: string; age: number; active: boolean; }

Use cases

Paste a sample JSON response and draft a TypeScript interface before wiring a client.

Turn fixture objects into rough types for tests, demos, and prototype components.

Create a readable type shape when discussing payload changes with frontend or backend teammates.

Does it infer optional fields?+

This version infers a simple structure from the sample you provide.

Can it handle arrays?+

Yes. Arrays are inferred from their first item.

Endpoint

POST/api/tools/json-ts

Request

{
  "input": "hello world",
  "options": {}
}

Response

{
  "result": "processed output",
  "tool": "json_ts"
}