Nested ObjectsArray Support100% Private
export interface Root {
  id: number;
  name: string;
  email: string;
  active: boolean;
  address: Address;
  tags: string[];
  orders: OrdersItem[];
}

export interface OrdersItem {
  id: number;
  total: number;
  date: string;
}

export interface Address {
  street: string;
  city: string;
  zip: string;
}

How It Works

1

Paste JSON

Paste your JSON data into the input area.

2

Generate

TypeScript interfaces are generated automatically.

3

Copy

Copy the output and use it in your project.

Frequently Asked Questions

Does it handle nested objects?
Yes. Nested objects generate separate named interfaces. Arrays of objects are also handled.
What about optional fields?
If an array of objects has inconsistent keys, missing keys are marked as optional with ?.
Can I copy the output?
Yes. Click the Copy button to copy the generated TypeScript to your clipboard.
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About JSON to TS

What this tool does

Developer and design tools include CSS generators (gradients, shadows, glassmorphism), code playgrounds, color pickers, responsive previews, and reference charts for HTML tags, HTTP methods, and keyboard shortcuts.

Why use this tool

Front-end development involves constant context switching between code and visual output. Having generators and references in a single browser tab speeds up prototyping and reduces the need to search through documentation sites.

How it works

Each tool provides an interactive UI: you tweak parameters (colors, radii, durations), and the tool generates the corresponding CSS, HTML, or SVG code in real time. Copy the snippet directly into your project.

Pro tip

Use the CSS variable output option when available. It makes your generated code theme-friendly and easier to maintain across a design system.

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