JSON to Code — Free Online Tool

Generate typed model definitions from a representative JSON sample to speed up API integration and data modeling.

This private tool runs locally in your browser. Your text is never uploaded or sent to a server.

How to use JSON to Code

Paste a valid JSON sample
Choose the target language or options
Review and copy the generated model

Example

A JSON object with name and age fields becomes a class with corresponding typed properties.

Useful tips

Use samples containing every expected field
Review nullability and numeric types before production use

JavaScript enables the interactive tool above.

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