If you've ever copied a huge JSON response from an API and started manually writing TypeScript interfaces...
interface User {
id: number;
name: string;
email: string;
...
}
...you know how boring (and error-prone) it can be.
A few weeks ago, I was integrating a new API with nearly 100 fields. I spent more time creating interfaces than actually building the feature.
Then the backend changed one field.
Back to square one.
That's why I started using JSON to TypeScript converters.
Paste your JSON, and it instantly generates clean TypeScript interfaces that you can drop straight into your project.
It's faster, more accurate, and saves you from silly typing mistakes.
We ended up adding a JSON to TypeScript tool in Fixzi.ai because we kept needing it during API development. It's become one of those little utilities that quietly saves time every single day.
Sometimes the best productivity boost isn't a new framework—it's removing repetitive work.
Have you ever had to manually write TypeScript interfaces from a massive JSON response?