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JSON to Zod Schema Generator
Generate Zod schemas from JSON samples. Paste JSON and export TypeScript-ready validation schemas instantly.
How to use this tool
- Paste JSON into the input editor.
- Set schema name and optional null-handling behavior.
- Generate, then copy or download the Zod schema output.
Inference behavior
- Mixed arrays are inferred as unions.
- Optional null conversion can loosen sparse payload handling.
- Nested objects are recursively converted to z.object structures.
Usage notes
- Add manual refinements and enums after generation as needed.
- Use generated types to bootstrap runtime validation quickly.
- Keep sample payloads representative for better schema quality.
FAQ
- Does it infer z.enum automatically?
- Not currently. String unions/enums can be refined manually after generation.
- Is JSON sent to a server?
- No. Parsing and schema generation run locally in-browser.
- Can I control the exported schema name?
- Yes. The schema name input controls export and inferred type naming.
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