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JSON to TypeScript

Convert JSON to TypeScript interfaces. Generate type-safe TypeScript definitions from your JSON data instantly.

Interface Name

JSON Input

TypeScript Output

Features

Instant conversion
Nested object support
Array type inference
Custom interface name
One-click copy
Clean output

How to Use

1
Paste your JSON
2
Set interface name
3
Click Convert
4
Copy the TypeScript

Frequently Asked Questions

Does it handle nested objects?

Yes! Nested objects are converted to inline type definitions.

What about arrays?

Arrays are typed based on their contents. Mixed arrays become union types.

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