JSON to TypeScript
Convert JSON objects to TypeScript interfaces automatically. Nested objects become named interfaces.
How to use
- 1
Paste JSON
Enter a JSON object or array.
- 2
Set root name
Name the top-level TypeScript interface.
- 3
Convert and copy
Generate nested interfaces and copy the TypeScript.
Frequently Asked Questions
Each nested object becomes a named interface derived from its key.
Homogeneous arrays use element types; object arrays get dedicated interfaces.
Related tools
QR Code Generator
Generate QR codes from text or URLs. Download as PNG or SVG.
JSON Formatter
Format, validate, and minify JSON with clear error messages.
Base64 Encoder / Decoder
Encode and decode text or images to Base64. Works entirely offline.
Color Picker
Pick a color and convert between HEX, RGB, and HSL formats.