JSON Schema Generator
Generate high-quality JSON Schemas from your data. Supports Draft 7 with AJV validation.
100% Client-Side · No Upload
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What is JSON Schema Generator?
JSON Schema Generator converts sample JSON datasets into fully compliant Draft-07 JSON Schema documents. These schemas are highly optimized and let you enforce structures, write automated unit tests, and validate payloads on your servers using standard libraries like AJV.
How to use JSON Schema Generator?
1
Paste your sample JSON object into the left window.
2
Specify configurations such as forcing all properties to be "required".
3
The generated Draft-07 JSON Schema renders immediately in the output panel.
4
Copy the schema definition or save it as schema.json.
Interactive Example
Schema generation from simple objectJSON
Input / Sample Source
{"name": "Saish", "rating": 4.5}Output / Result
{
"$schema": "http://json-schema.org/draft-07/schema#",
"type": "object",
"properties": {
"name": { "type": "string" },
"rating": { "type": "number" }
}
}Benefits & Features
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Draft-07 Standard ComplianceProduces schema structures matching modern validation protocols.
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Auto Type MappingResolves integers, floats, booleans, objects, arrays, and null values.
✓
Required FieldsConfigure options to auto-flag keys as required standard items.
✓
Developer ProductivityCreate automated validation scripts from raw samples in seconds.