JSON Schema Validator
Check JSON documents against common JSON Schema validation keywords directly in your browser.
Validate JSON against a schema
This lightweight validator supports: type, required, properties, additionalProperties, enum, const, items, min/maxItems, min/maxLength, pattern, minimum, maximum, exclusiveMinimum and exclusiveMaximum. Advanced JSON Schema keywords such as $ref, oneOf, allOf, format and if/then/else are not supported. Do not use it as a complete JSON Schema compliance checker.
Enter a schema and document.
About this validator
Use it for quick checks of API payload shapes and configuration files. Runs locally in your browser, without uploading the documents. For full Draft 2020-12 compliance, use a dedicated JSON Schema validator.