JSON to TypeScript

Generate a TypeScript interface from a JSON sample, with a custom interface name.

Interface name

JSON sample

TypeScript

interface Root {
  name: string;
  isFree: boolean;
  tools: string[];
}

Ad space — always below the tool, never inside it

How to use json to typescript

1Name your interfaceSet the interface name to use.

2Paste a JSON sampleA typical example of the data shape.

3Copy the TypeScriptPaste it straight into your codebase.

The type is inferred from the first item and shown as an array type, e.g. string[].

Yes — nested objects get their own generated type.