JSON to TypeScript Converter

Instantly convert JSON objects or arrays into clean TypeScript interfaces or type aliases. Paste your JSON data below.

JSON Input

Paste your JSON object or array here.

Options

Root Type/Interface Name

Output TypeUse `type` aliases instead of `interface` declarations.

Normalize KeysConvert snake_case / kebab-case keys to camelCase.

TypeScript Output

Generated interfaces.

// TypeScript output will appear here...

Command Palette