Convert JSON objects into type-safe TypeScript interfaces, types, and Zod validator schemas instantly.
Create TypeScript interfaces, types, or Zod schema text from a sample JSON value. Set the root name and available optional/readonly options, then copy or download the generated code. Inferred output reflects the sample, not every possible API response.
Step-by-Step Walkthrough
Step 1
Paste valid sample JSON and name the root definition.
Step 2
Choose the output format and field options.
Step 3
Review the generated definitions, then copy or download them.
Pro Tip for Best Output Quality
Review generated code before use, especially nested arrays, optional fields, and values absent from the sample.
Key Capabilities & Features
JSON input
Start from a representative sample object.
Output choices
Select interface, type, or Zod schema output.
Field options
Use the available optional and readonly controls.
Code export
Copy or download the generated definitions.
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Frequently Asked Questions
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