Tools for converting between various data formats
Automatically converts JSON data structures to TypeScript interfaces or types.
Useful for defining API response types or generating types for config files.
Auto type inference (string, number, boolean, null)
Nested object separation
Array type handling
null → optional property conversion
Set a meaningful root interface name
Enable export option for API responses
Use readonly option for immutable data
A tool that automatically generates TypeScript interfaces or type aliases by analyzing JSON data structures. Paste JSON data from API responses or configuration files to generate ready-to-use TypeScript type definitions with automatic nested object handling and type inference.