JSON Schema Validator

Validate your JSON data structure against a JSON Schema.

JSON Data

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JSON Schema

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Validation Result

Enter valid JSON and Schema to see results...

Usage & Scenarios

Data Validation

JSON Schema is a specification for defining JSON data structures based on JSON format. Use this tool to validate if your JSON data conforms to a predefined Schema.

Common Keywords

  • type: Define data type (string, number, object, array, boolean, null)
  • properties: Define object properties
  • required: Define required fields
  • items: Define Schema for array elements
  • enum: Enumerate allowed values

Application Scenarios

  • API Interface Data Validation
  • Configuration File Format Check
  • Frontend Form Data Validation Rule Definition