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JSON Schema validator

Validate JSON with JSON Schema Draft 2020-12.

JSON Schema · Draft 2020-12
Input JSON
JSON Schema
Output
Usage guide and examples

Check JSON structure before shipping

Paste data and a schema separately to see validation results and path-specific errors.

Check the input format and options with this example before using your own data. Random values, file sizes and presentation vary with the input and settings.

Example input and settings

{"age":18}
{"type":"object","properties":{"age":{"type":"integer"}},"required":["age"]}

What to check in the result

age: 18 ✓
age: "18" ✕
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