JSON Schema Validator
Validate JSON data against JSON Schema specifications with detailed error reporting and suggestions.
JSON Schema
JSON Data
Schema Templates
JSON Schema Guide
What This Tool Delivers
The JSON Schema Validator helps you validate JSON data against schema specifications with real-time error detection and detailed reporting. Upload or paste your schema and data, then get instant feedback on missing required fields, type mismatches, and constraint violations.
The tool validates both schema syntax and data compliance, providing clear error messages and suggestions for fixes. Use it to test API contracts, validate configuration files, or ensure data quality before deployment. Schema templates help you get started quickly with common patterns.
- Real-time validation with instant error reporting
- Schema syntax checking and data compliance validation
- Clear error messages with actionable suggestions
- Pre-built templates for common schema patterns
JSON Schema Best Practices
required arrays to enforce minimum data contracts and catch missing properties early in development. type, enum, and const to keep inputs predictable and prevent API integration errors. minLength/maxLength and minimum/maximum to prevent payload bloat and enforce business rules. Request a Feature
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