JSON to TypeScript

Converter

Convert JSON objects to TypeScript interfaces and types instantly. Perfect for generating type definitions from API responses, configuration files, or any JSON data. All processing happens in your browser.

JSON Input

Paste or enter your JSON data

Interface/Type Name

Type Structure

One interface with inline nested types

TypeScript Output

Generated TypeScript interface/type

Enter JSON in the left field to generate TypeScript types.

Features:

✓ Automatic type inference

✓ Nested object support

✓ Array type detection

✓ Valid identifier handling