JSON Formatter & ValidatorSpecialized Version
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JSON to Swift

JSON to Swift

JSON to Swift

Convert between data formats instantly with this json to swift. Transform your data for different applications and programming languages.

Features

  • Instant Conversion: Transform data formats in milliseconds
  • Preserve Structure: Maintains data relationships and hierarchy
  • Error Handling: Clear feedback on conversion issues
  • Copy Output: One-click copying of converted data

Example

Input: `` {"userId": 1, "userName": "john", "isVerified": true} `

Output: ` struct Root: Codable { let userId: Int let userName: String let isVerified: Bool } ``

Tips

  • Conforms to Codable protocol
  • Use CodingKeys for custom mapping
  • Optional properties use ? suffix

How to Use

1. Paste your JSON in the input area 2. Click convert to transform the data 3. Review the converted output 4. Copy or download the result

Best Practices

  • Validate your source data before conversion
  • Check the output for any formatting issues
  • Test with a small sample before converting large files
  • Keep backups of original data

Frequently Asked Questions

Is my data secure?

All processing happens locally in your browser. Your data is never sent to any server, ensuring complete privacy and security.

What if my JSON has errors?

The tool will highlight syntax errors and provide helpful messages to fix them. Common issues include missing quotes, trailing commas, and unescaped characters.

How do I handle snake_case keys?

Use JSONDecoder with .convertFromSnakeCase key decoding strategy, or define a CodingKeys enum.

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