JSON Schema Generator
Automatically infer schemas from your JSON data.
Developer tool
JSON Schema Generator
Paste any JSON and get a JSON Schema automatically generated from its structure.
Interactive JSON Tree
{}
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"properties":
{},
"id":
{},
"type": "number"
"name":
{},
"type": "string"
"active":
{},
"type": "boolean"
"tags":
{},
"type": "array",
"items":
{}
"type": "string"
"address":
{}
"type": "object",
"properties":
{},
"city":
{},
"type": "string"
"zip":
{}
"type": "string"
"required":
[]
"city",
"zip"
"required":
[]
"id",
"name",
"active",
"tags",
"address"
Overview
What is JSON Schema Generator?
Defining a JSON Schema manually is tedious and error-prone. Our generator analyzes your JSON structure and automatically creates a draft schema, inferring property types (string, number, boolean, object, array) and identifying required fields. It is an essential tool for API documentation and contract-driven development.
Use cases