JSON Schema Validator
Validate JSON data against draft-07 schemas, debug errors, and generate schemas.
1. Input JSON Data
2. JSON Schema
| Data Path | Error Message | Schema Keyword |
|---|
Simple Schema Generator
Paste a valid JSON object below, and we will infer a basic schema structure for you.
Input JSON Object
Generated Schema
Quick Guide to JSON Schema
JSON Schema is a vocabulary that allows you to annotate and validate JSON documents.
Common Keywords
type: Defines the data type (string, number, object, array, boolean, null).properties: Defines keys within an object.required: An array of property names that must exist.additionalProperties: Boolean (true/false) to allow or forbid unknown keys.items: Defines the schema for items within an array.pattern: Regex string for validating string formats.enum: Restricted set of allowed values.
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