JSON Schema Generator
Paste JSON to generate a JSON Schema (draft-07). Automatically infers types, detects string formats like date-time, email, and URI, and produces a ready-to-use schema.
Generated schema will appear here...About JSON Schema
JSON Schema is a vocabulary that allows you to annotate and validate JSON documents. It describes the structure of JSON data, defining types, constraints, and relationships between properties.
Validation
Validate JSON data against a schema to ensure it conforms to the expected structure and types.
Documentation
Schemas serve as machine-readable documentation for your APIs and data models.
Code Generation
Generate types, interfaces, and validation code from schemas in any language.
Detected String Formats
| Format | Example | Description |
|---|---|---|
| date-time | 2024-01-15T09:30:00Z | ISO 8601 date and time |
| date | 2024-01-15 | ISO 8601 date |
| user@example.com | Email address | |
| uri | https://example.com | URI / URL |
| ipv4 | 192.168.1.1 | IPv4 address |
| uuid | 550e8400-e29b-... | Universally unique identifier |
Extract structured data from any webpage?
Stack0 AI Extraction turns any webpage into structured JSON with schema validation.