JSON to TypeScript Interface Generator
Paste JSON to auto-generate TypeScript interfaces with proper types, nested objects, and arrays.Updated 2026-03-11
How to Use Json To Typescript
- Paste or type your input data in the left panel.
- Click the Convert button to transform your data.
- Copy the result or download it as a file.
All processing happens locally in your browser. Your data is never uploaded to any server.
Frequently Asked Questions
Is Json To Typescript free to use?
Yes, completely free. No signup, no limits. All processing happens in your browser — your data never leaves your device.
Does Json To Typescript work on mobile?
Yes, it works on all devices including phones and tablets. The interface is fully responsive.
Is my data safe?
Absolutely. Everything runs locally in your browser using JavaScript. No data is uploaded to any server.
What file size limits are there?
Since processing happens in your browser, limits depend on your device memory. Most files up to 50MB work fine.
"JSON to TypeScript Interface Generator." ConvKit, conv-kit.com, https://conv-kit.com/tools/json-to-typescript/. Accessed 2026-03-15.