JSON to TypeScript
Generate a TypeScript type from a sample JSON value.
Result
Add your input, then select Generate type.
How to use it
Paste representative JSON to generate a Root type. Mixed arrays become unions of observed shapes.
What to keep in mind
A sample cannot establish every possible value, optional field or API contract. Review the generated type.
Up to 2 MB per input, with smaller limits for complex operations. Clear removes the current input and result. Numbers use JavaScript precision; unsafe integers are rejected.
Catch problems while customers use your app.
Braith reviews sampled app activity for likely failures and friction. Keep your error tracker for exceptions and stack traces.
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