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JSON to Zod
Create a starting point for runtime validation at your API boundary. Generate Zod code from one response or several examples.
Load an example or paste your data to begin.
How to use JSON to Zod
- Paste the JSON examples you want to validate.
- Set the root name and optional multiple-sample mode.
- Generate a .ts file and review the schema before adding it to your application.
What to expect
The generated code imports Zod; use it in a project with Zod installed. Examples cannot reveal rules such as email format, minimum length or business constraints. Add those rules deliberately after generation.
Related tools
JSON to Zod FAQ
Does it infer all my business rules?
No. It infers observed shapes and value types. Add constraints such as allowed ranges, string patterns and authorization rules yourself.
Can it merge examples with missing fields?
Yes. Enable Multiple samples for an array of example documents to infer optional and nullable fields.
Does this tool upload my data?
No. Your input and generated files are processed on your device. No account is required.