JSON Schema
JSON Data
About JSON Schema Validator
JSON Schema Validator checks standard JSON data compliance. It highlights errors, reports missing properties, and ensures payloads conform to API schemas.
How to Use JSON Schema Validator
- Paste your schema in the schema window.
- Paste your JSON payload in the data window.
- Read schema errors and see validation messages.
Frequently Asked Questions
Which Draft version is supported?
This validator is optimized to support standard Draft 7 and modern JSON Schema specifications.
Does this run on a server?
No, all schema validations are computed locally on your device. Your sensitive schema structures and payloads are not uploaded.
What happens if validation fails?
The validator displays a clear error log indicating the properties that failed, the reason (type mismatch, missing key), and the line path.