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JSON Schema Validator

Validate JSON documents against a JSON Schema instantly in your browser. Supports formats, types, and required fields.

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Auto-playing walkthrough — paste input, click validate, see the result

How to use JSON Schema Validator

  1. Paste your JSON Schema in the left panel.
  2. Paste the JSON data to validate on the right.
  3. See validation errors with paths or a success message when valid.

Frequently Asked Questions

Which JSON Schema version is supported?
Draft 2020-12 style schemas via Ajv, including common format keywords like email and date-time.