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JSON to TypeScript Interface

Convert JSON to TypeScript interfaces or types.

json to typescripttypescript interface generatorjson to ts

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Supports JSON files

Privacy: This tool runs entirely in your browser. No data is sent to our servers. We don't store, share, or have access to any of the information you process here.

Examples

Example 1
{"name":"John","age":30,"active":true}
Click above to load example 1
Example 2
{"items":[{"id":1,"name":"Item 1"},{"id":2,"name":"Item 2"}]}
Click above to load example 2
Example 3
{"metadata":{"createdAt":"2024-01-01","tags":["tag1","tag2"]}}
Click above to load example 3

FAQ

Q: Does it generate interfaces or types?

A: You can choose between interface and type alias.

Q: Can I handle optional fields?

A: Yes, fields with null/undefined become optional.

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