JSON to TypeScript Converter – Paste JSON, Get Interfaces If you work with APIs or JSON data regularly, you’ve probably written TypeScript interfaces by hand more times than you’d like. I built JSON to TypeScript Converter to cut out the repetitive part. The tool does one thing: you paste JSON, and it generates clean TypeScript interfaces. That’s it. No account needed. No data stored. Just a straightforward converter that runs in your browser. It handles nested objects, arrays, optional fields (based on null values), and basic type inference. The output includes interface definitions with proper typing for strings, numbers, booleans, nulls, and arrays. You can tweak naming and export settings, then copy the result straight into your project. There’s a free tier that covers most use cases — paste, convert, done.…