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JSON to JSON Schema

Infer a draft 2020-12 JSON Schema from a sample JSON document.

Runs in your browserJSON → JSON Schema
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Example

Input
{"id":1}
Output
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "id": {
      "type": "integer"
    }
  },
  "required": [
    "id"
  ]
}

How to use the JSON to JSON Schema

  1. Paste or type your JSON into the input area, or open a file from your device.
  2. Adjust the options above the editor if the tool offers any.
  3. Review the JSON Schema result, then copy it or download it as a file.

Privacy and limitations

  • Your data is processed on your device and is not uploaded to any server.

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