devLocal developer utility
JSON to TypeScript Generator
Generate TypeScript interfaces and root types from JSON, including nested and mixed arrays. Your input stays in your browser while you work.
JSON to TypeScript🔒 Processed locally
How to use JSON to TypeScript
Complete the labeled fields above, choose an action, and inspect the result before copying or downloading it.
Processing runs locally in this browser. No input is uploaded or sent to a conversion service.
Inputs
- Sample JSON: {"name":"Dev","age":30}
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