JSON to TypeScript Converter
Paste JSON and instantly generate TypeScript interfaces or types. Handles nested objects, arrays, and more.
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Frequently Asked Questions
What does the JSON to TypeScript converter do? +
It takes a JSON object and generates TypeScript interfaces or type aliases that match the structure of your data, including nested objects and arrays.
Does it handle nested JSON objects? +
Yes. The converter recursively processes nested objects and creates separate named interfaces for each level of nesting.
Can I generate types instead of interfaces? +
Yes. You can toggle between generating TypeScript interfaces and type aliases using the dropdown option above the convert button.
Is my JSON data sent to a server? +
No. Everything runs entirely in your browser. Your data never leaves your machine.
How does it handle arrays with mixed types? +
If an array contains objects, the converter merges all object shapes into a single interface with optional fields. For arrays with mixed primitive types, it generates a union type.
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