JSON to TypeScript
Convert JSON objects to TypeScript interfaces or types. Automatically infers types from your JSON structure.
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Check out our complete collection of JSON utilities for formatting, validation, conversion, and schema generation.
View all JSON tools →How to Use
- 1
Enter JSON
Paste or type your JSON object into the input field.
- 2
Configure options
Set the root type name, choose interface or type, and toggle optional properties or export keyword.
- 3
Copy TypeScript
The TypeScript interface or type will be generated automatically. Copy it to use in your project.
TypeScript is a strongly typed superset of JavaScript that compiles to plain JavaScript. Using interfaces or types helps catch errors at compile time and improves code documentation and IDE support.
- •Converting API responses to TypeScript types
- •Generating types from JSON config files
- •Creating type definitions for mock data
- •Speeding up TypeScript project setup