🧰 JSON Formatter & Validator
Format, validate, and beautify JSON data with syntax highlighting and error detection. Perfect for developers debugging APIs, working with configuration files, and analyzing JSON responses.
📊 Formatted Output:
Formatted JSON will appear here...
💡 How it works:
- Paste raw JSON or minified JSON in the textarea
- Click "Format JSON" to beautify and validate
- The tool automatically detects JSON errors with line numbers
- Use "Minify" to compress JSON into a single line
- Click "Copy Result" to copy formatted JSON to clipboard
- Statistics show object and array counts
📝 Examples:
Input (Minified/Raw):
{"name":"John","age":30,"city":"New York","hobbies":["reading","gaming"]}
Output (Formatted):
{
"name": "John",
"age": 30,
"city": "New York",
"hobbies": [
"reading",
"gaming"
]
}
Invalid JSON Error:
{"name":"John",age:30} // Missing quotes around 'age'
❌ Syntax Error: Unexpected token in JSON
📚 Use Cases:
- Debug API responses and JSON data structures
- Validate configuration files (package.json, config.json, etc.)
- Format JSON for better readability and sharing
- Minify JSON for production and performance optimization
- Analyze JSON structure and hierarchy
- Identify syntax errors in JSON files
- Convert between formatted and minified JSON
ℹ️ Note: This tool parses JSON locally in your browser. No data is sent to any server.