JSON Schema Validator

Validate JSON data against a JSON Schema. Get detailed error messages with exact paths for any violations.

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JSON Data
JSON Schema

Schema Validation Features

Comprehensive JSON Schema validation tools.

Schema Draft Support

Supports JSON Schema Draft 4, 6, 7, 2019-09, and 2020-12 specifications.

Detailed Error Reports

Get precise error messages with JSON paths pointing to exactly where validation failed.

Side-by-Side View

View your JSON data and schema side by side for easy cross-referencing.

JSON Schema Validator FAQ

What is JSON Schema?

JSON Schema is a vocabulary for annotating and validating JSON documents. It defines the structure, types, and constraints that your JSON data should follow.

Which schema drafts are supported?

The validator supports JSON Schema Draft 4, 6, 7, 2019-09, and 2020-12. The draft version is auto-detected from the $schema keyword.

Can I validate nested objects?

Yes, the validator fully supports nested schemas including $ref references, allOf/anyOf/oneOf combinators, and recursive schemas.