JSON Schema Generator

Generate a draft JSON Schema from a sample JSON object.

Features

Draft schema from a real sample
Nested object and array support
Copy schema for editing in your repo

How to use JSON Schema

1
Paste a representative JSON sample.
2
Generate the draft schema.
3
Review required fields and types, then copy into your project.

Examples

From sample

Input

{"id":1,"name":"Ada"}

Output

{ "type": "object", "properties": {.. } }

About JSON Schema

JSON Schema Generator walks a sample payload and proposes a draft schema. Treat it as a starting point: tighten types, required fields, and formats before you rely on it in CI. Pair with the schema validator to check other samples.

Frequently asked questions

Usually not yet - review optionality, enums, and formats before shipping.

Generate from a few shapes and merge the stricter rules by hand.

In your browser from the sample you paste.

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