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JSON Schema Validator

Validate JSON data against a JSON Schema (Draft 7)

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JSON Schema Validator

Validate JSON data against a JSON Schema (Draft 7). Ensure your JSON conforms to a defined structure with type checking, required fields, pattern matching, and more. All validation happens in your browser.

How to use

  1. Paste or upload your JSON Schema
  2. Paste or upload your JSON data to validate
  3. View validation results with detailed error messages
  4. Fix errors and re-validate

Features

  • Full JSON Schema Draft 7 support
  • Type validation (string, number, object, array, etc.)
  • Required field checking
  • Pattern matching with regex
  • Enum and const validation
  • Detailed error messages with paths
  • No data sent to servers — 100% browser-based