/jsonschema — JSON Schema Validator
Validate a JSON document against a JSON Schema, live, in your browser. Understands the common draft-07 and 2020-12 keywords:
type (incl. type arrays for nullable), enum, const, properties, required, additionalProperties, items / prefixItems / additionalItems, allOf / anyOf / oneOf / not, local $ref (#/definitions and #/$defs), minimum / maximum / exclusiveMinimum / exclusiveMaximum / multipleOf, minLength / maxLength / pattern, minItems / maxItems / uniqueItems, minProperties / maxProperties. format and remote $ref are not checked.