JSON Schema Validator
Validate JSON against a JSON Schema. See errors with path and message.
JSON Schema Validator
Paste your JSON and JSON Schema in the two panels, then click Validate. Errors show the JSON path and message. For formatting or viewing JSON, use the JSON Formatter or JSON Viewer.
Use cases
- API development – Check response payloads against an OpenAPI or custom schema
- Config validation – Ensure config JSON matches a schema
- Documentation – Verify example JSON conforms to your schema
Added Mar 6, 2026
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