developer tools• Type Safety
JSON to TypeScript Interface Generator
Accelerate frontend and backend development by transforming sample API responses directly into clean TypeScript interfaces.
Processed locally in your browser.
INPUT (TS)
OUTPUT (TYPESCRIPT)
Advertisement
Sponsored PlacementGoogle AdSense Integration Ready
How to Use JSON to TypeScript Interface
1
Paste JSON
Paste sample JSON payload or API response.
2
Configure Options
Choose Interface or Type alias, and set root interface name.
3
Copy TypeScript
Copy generated type-safe TypeScript definitions.
About JSON to TypeScript Interface
Traverses object hierarchies, evaluating primitive typeof signatures and recursively generating nested interface declarations.
Supported Formats
JSONTypeScript
Operational Limits
- •Empty arrays default to any[]
Key Features
- Infers nested child interfaces
- Array primitive and object typing
- Configurable root interface name
- PascalCase naming conventions
Frequently Asked Questions
Yes, nested objects are extracted into clean separate interfaces named after their respective property keys.
Related Tools
More in developer toolsEssential Local
JSON Formatter & Validator
Format, validate, beautify, and minify JSON with syntax highlighting.
developer toolsOpen Tool
Local
JSON Schema Generator
Generate Draft-07 and 2020-12 compliant JSON Schema definitions from JSON payloads.
developer toolsOpen Tool
Essential Local
JSON to CSV Converter
Convert JSON arrays and API responses into downloadable CSV spreadsheets for Excel and Google Sheets.
data toolsOpen Tool