JSON Validator
Validate JSON syntax and structure with detailed error reporting
JSON Input
Valid JSON
Your JSON is properly formatted
Sample Data
Features
JSON Validation
- • Real-time syntax validation
- • Detailed error messages with line numbers
- • Support for comments and trailing commas
- • Duplicate key detection
Schema Validation
- • Validate JSON against JSON Schema
- • Type checking and required fields
- • Nested object and array validation
- • Custom validation rules