JSON Validator

About JSON Validation

JSON (JavaScript Object Notation) validation is critical for ensuring your data is properly formatted and error-free. Our JSON validator checks for syntax errors, validates structure, and provides detailed error messages to help you fix issues quickly. Valid JSON is essential for APIs, configuration files, and data interchange between systems.

Why Validate JSON?

• Prevent Runtime Errors: Catch syntax errors before deployment
• Data Integrity: Ensure your JSON structure is correct
• API Development: Validate API responses and requests
• Configuration Files: Check config files for errors
• Debugging: Quickly identify and fix JSON issues

Common JSON Errors

• Trailing commas after last array or object item
• Single quotes instead of double quotes
• Unquoted or improperly quoted keys
• Missing commas between items
• Mismatched brackets or braces

JSON Rules

• Keys must be strings in double quotes
• Strings must use double quotes (not single)
• No trailing commas allowed
• Valid types: string, number, boolean, null, array, object
• Numbers cannot have leading zeros

Frequently Asked Questions

Q: What is JSON validation?
A: JSON validation checks if your JSON data is syntactically correct and follows proper JSON format rules.

Q: Why validate JSON?
A: Validating JSON prevents runtime errors, ensures data integrity, and catches syntax errors before deployment.

Q: What are common JSON errors?
A: Common errors include trailing commas, single quotes, missing brackets, and unquoted keys.