What TypeScript output does this generator create?
It generates a Root interface for object inputs or a Root type alias for non-object JSON values.
Free JSON to TypeScript Converter
Generate TypeScript interfaces from JSON examples to speed up typed development.
TypeScript Output
Generated TypeScript interfaces and types appear here.
Frequently Asked Questions
How are arrays and nested objects handled?
Nested structures are inferred recursively, and arrays are represented with inferred item union types when needed.
Do I need valid JSON input?
Yes. Input must be valid JSON before TypeScript types can be generated.