JSON to TypeScript
Generate TypeScript interfaces from JSON data online. Free JSON to TypeScript converter with nested types and optional properties.
Features
- Generates nested interfaces for objects
- Handles arrays and infers item types
- Supports null and undefined values
- Auto-singularizes array item interface names
- Handles special characters in property names
About JSON to TypeScript
Generate TypeScript interfaces from JSON data automatically. Perfect for creating type definitions for API responses, configuration files, and data models.
How to Use JSON to TypeScript
Open JSON to TypeScript
Navigate to JSON to TypeScript in your browser — no installation or sign-up required.
Enter your data
Type, paste, or upload the content you want to process into the input area.
Configure options
Adjust any available settings to customize the output to your needs.
Get your result
The result appears instantly. Copy it to your clipboard or download it as a file.
Frequently Asked Questions
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