JSON Schema Generator

Instantly generate robust JSON Schema definitions from your JSON data. Perfect for validation and documentation.

Input JSON

Generated Schema

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Generated Schema",
  "type": "object",
  "properties": {
    "name": {
      "type": "string"
    },
    "age": {
      "type": "number"
    },
    "isSubscribed": {
      "type": "boolean"
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "address": {
      "type": "object",
      "properties": {
        "city": {
          "type": "string"
        },
        "zip": {
          "type": "string"
        }
      },
      "required": [
        "city",
        "zip"
      ]
    }
  },
  "required": [
    "name",
    "age",
    "isSubscribed",
    "tags",
    "address"
  ]
}

Draft 7 Support

Generates schemas fully compatible with JSON Schema Draft 7 standards for wide tool integration.

Nested Detection

Recursive logic automatically maps deep object structures and complex array types.

Type Mapping

Intelligently identifies strings, numbers, booleans, and null values from your sample input.