Generate JSON Schema from sample JSON

Paste a representative JSON object or array and get a draft 2020-12 JSON Schema with required fields.

Schema title

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "GeneratedSchema",
  "type": "object",
  "properties": {
    "id": {
      "type": "integer"
    },
    "name": {
      "type": "string"
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  },
  "required": [
    "id",
    "name",
    "tags"
  ],
  "examples": [
    {
      "id": 123,
      "name": "AppHelp",
      "tags": [
        "tools"
      ]
    }
  ]
}

Features

document API payloads
start validation schemas
generate low-code field contracts

Frequently asked questions

Is my data uploaded?: No. The tool runs locally in your browser by default.
Do I need an account?: No account is required.