JSON to TypeScript
Generate TypeScript interfaces/types with array object merging and optional fields.
Input JSON
TypeScript Output
0 characters
About This Tool
The JSON to TypeScript tool converts JSON data into TypeScript interfaces or types. For arrays of objects, it merges fields and marks missing ones as optional, which is ideal for API typing. It supports custom root names, export keyword, and one-click copy, all done locally in the browser.
Features
- 🧩 Auto generate interface or type
- 🧱 Array merge: merge object fields and mark optional
- ✍️ Custom root name for output
- 📋 One-click copy for results
- 🔒 Local-only processing, no uploads