JSON Validator | SkyConverterTools

Validate JSON syntax, format JSON data, minify JSON, and fix common JSON errors instantly. Perfect for developers, programmers, and API testing.

JSON Input & Validation

Enter or paste your JSON data for validation and formatting
Quick JSON Samples
JSON Validation Rules
  • Data must be in key/value pairs
  • Keys must be strings enclosed in double quotes
  • Values can be strings, numbers, objects, arrays, or literals
  • Strings must be enclosed in double quotes
  • No trailing commas in objects or arrays
  • Proper nesting of brackets and braces

Validation Results

Validation Summary
Validity Status
Not Validated
JSON Size
--
Depth Level
--
Total Keys
--
Validation Details
Enter JSON data and click "Validate JSON" to see validation results.
Formatted JSON Output 
Formatted JSON will appear here after validation...

About JSON Validator

About JSON Validator

Our JSON Validator is a powerful tool that helps developers validate, format, and analyze JSON data quickly and accurately. Whether you're working with APIs, configuration files, or data storage, this tool ensures your JSON is syntactically correct and well-formatted.

The validator provides comprehensive analysis including syntax validation, formatting options, minification, and detailed error reporting with line numbers and specific error messages to help you fix issues efficiently.

Perfect for developers, programmers, API testers, and anyone working with JSON data. All validation happens in real-time with instant feedback and helpful suggestions for fixing common JSON errors.

How to Use

  1. Paste your JSON data into the input area or use quick samples to test.
  2. Click "Validate JSON" to check syntax and get detailed analysis.
  3. Use "Format JSON" to beautify and properly indent your JSON.
  4. Use "Minify JSON" to remove whitespace and compress your JSON.
  5. Review validation results and error details in the results section.
  6. Copy the formatted output or share your validation results.
  7. Use quick samples to learn JSON structure and test the validator.

Pro Tip: Use the format feature before sharing JSON to make it more readable, and use minify for production environments to reduce file size.