JSON Schema Generator
Generate JSON Schema from sample JSON data. Automatically detects types, formats (email, date, UUID), and structure.
Input0 chars
Output
Result appears here
About JSON Schema
- JSON Schema is a vocabulary for annotating and validating JSON documents
- Formats detected: date, date-time, email, uri, uuid
- Numbers are typed as "integer" or "number" based on value
- Array items are inferred from the first element
JSON Schema - Technical Details
JSON Schema is a vocabulary for annotating and validating JSON documents. It's used for API validation, configuration validation, and documentation. This tool generates Draft-07 compatible schemas.
Command-line Alternative
# Validate JSON against schema\nnpx ajv validate -s schema.json -d data.json\n\n# Generate schema with quicktype\nnpx quicktype --lang schema data.json