JSON Schema Generator
Generate JSON Schema from JSON data with automatic type inference and validation rules
Input JSON
Generated Schema
How to Use JSON Schema Generator
1. Input JSON Data
Paste your JSON data in the input area, tool will automatically analyze structure.
2. Auto Generation
Tool automatically generates Schema with types and validation rules.
3. Review Schema
Check the generated Schema structure and validation rules.
4. Project Application
Copy or download Schema for use in your validation workflow.
Schema Generation Features
π― Type Inference
Automatically detect string, number, boolean, null, object, array types
ποΈ Structure Analysis
Analyze nested objects and generate corresponding schema properties
β Validation Rules
Automatically add required fields and object property definitions
What is JSON Schema?
π Definition
JSON Schema is a vocabulary for annotating and validating JSON documents. It provides a contract for JSON data structure, constraints, and data types.
π― Use Cases
JSON Schema is widely used in data validation, API documentation, code generation, and other scenarios.
Example Transformation
Input JSON:
{
"name": "John",
"age": 30,
"active": true,
"tags": ["user", "admin"]
}Generated Schema:
{
"$schema": "http://json-schema.org/draft-07/schema#",
"type": "object",
"properties": {
"name": { "type": "string" },
"age": { "type": "number" },
"active": { "type": "boolean" },
"tags": {
"type": "array",
"items": { "type": "string" }
}
},
"required": ["name", "age", "active", "tags"]
}