Free JSON Schema Generator Online
Automatically generate JSON Schema from sample JSON data. Perfect for API documentation, validation, and code generation. Supports Draft 07 specification with customizable options.
Automatic Schema Generation from Examples
Simply paste your JSON data and get a complete schema instantly. Automatically detects types, arrays, and nested objects. Customize with examples, required fields, and descriptions.
Use Cases for JSON Schema
JSON Schema is essential for API validation, documentation generation, code completion in IDEs, and runtime data validation. Our tool makes schema creation quick and error-free.
Frequently Asked Questions
What is JSON Schema?
JSON Schema is a vocabulary that allows you to annotate and validate JSON documents. It describes the structure, constraints, and data types of JSON data.
Which JSON Schema version is supported?
This tool generates schemas following the JSON Schema Draft 07 specification, which is widely supported across validators and tools.
Can I customize the generated schema?
Yes! You can include examples, mark all fields as required, or add description fields. The generated schema can also be manually edited after generation.
Is my data secure?
Absolutely! All schema generation happens entirely in your browser. Your data never leaves your device, ensuring complete privacy and security.