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JSON Validator

Validate JSON syntax and structure with detailed error reporting and analysis

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Input JSON

Auto

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Paste your JSON data in the input area. Supports both objects and arrays.

The validator automatically checks syntax and provides real-time feedback.

Get detailed validation results including structure analysis and statistics.

Precise error location with line and column information for quick debugging.

Validates JSON syntax according to RFC 7159 standard

Analyzes nesting depth, object keys, and data types

Provides counts of different data types and structure metrics

Property names must be enclosed in double quotes.

❌ {name: "value"}

✅ {"name": "value"}

Remove trailing commas from objects and arrays.

❌ [1, 2, 3,]

✅ [1, 2, 3]

Use double quotes instead of single quotes.

❌ {"name": 'value'}

✅ {"name": "value"}