JSON Schema Validator
Validate JSON data against a JSON Schema.
Processed locally in your browser. Nothing you paste is sent anywhere.
Overview
Validates a JSON value against a JSON Schema — useful for checking that a model's structured output actually conforms to the schema you asked for.
How to use it
- 1Paste your JSON Schema.
- 2Paste the JSON data to check.
- 3Validation errors, if any, are listed with their exact path.
Tips
- Supports the common subset of draft-07 (type, required, properties, items, enum, min/max, pattern) — advanced keywords like $ref and allOf aren't evaluated.