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Frequently Asked Questions
Is my JSON data safe?
Yes, JSON Nova processes everything locally in your browser. Your data never leaves your computer or touches our servers.
How do I convert JSON to TypeScript?
Simply paste your JSON into the input pane, and click 'Format / Repair'. Then use the 'To TypeScript' tool in the dropdown to generate interfaces.
Does it handle nested objects?
Yes, JSON Nova automatically generates nested TypeScript interfaces for complex JSON structures with proper type definitions.
Can it infer array types correctly?
Absolutely! The converter analyzes array elements and generates accurate TypeScript array types, including union types for mixed arrays.
Does it support optional properties?
Yes, the converter intelligently marks properties as optional when they might be undefined or null in your JSON data.
Can I customize the generated interface names?
The converter generates sensible default names based on your JSON structure. You can easily rename them in the output.
Does it work with large JSON files?
Yes, JSON Nova can convert JSON files up to 50MB to TypeScript interfaces using Web Workers for smooth performance.
Is the TypeScript output production-ready?
Yes, the generated TypeScript interfaces follow best practices and are ready to use in your projects immediately.