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Convert JSON objects to TypeScript interfaces instantly
Tips
? and add | null to types.interface and type alias output at any time.Paste any JSON object and instantly generate clean TypeScript interfaces or type aliases. Handles nested objects, arrays, optional fields, null values, and union types automatically. Also supports reverse mode: TypeScript interface to sample JSON.
Quickly transform any JSON object into clean, production-ready TypeScript interfaces or type aliases.
Open the JSON to TypeScript tool
Navigate to the converter interface to begin your transformation process.
Paste your JSON object into the input
Copy your raw JSON data and paste it directly into the provided input field. The tool handles nested objects, arrays, and null values automatically.
Configure your TypeScript output preferences
Select whether you want to generate interfaces or type aliases. You can also toggle between JSON-to-TS or TS-to-JSON modes.
Review the generated TypeScript code
The tool instantly generates clean types, including optional fields and union types based on your input data.
Copy the result to your project
Click the copy button to save the generated TypeScript code to your clipboard and paste it into your development environment.
Estimated time: PT1M
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