Skip to content
Free Tool Arena

Developer Utilities · Free tool

JSON Schema to TypeScript

Paste a JSON sample — get a clean TypeScript interface inferred automatically.

Updated April 2026
TypeScript
export interface RootProfile {
  url: string;
  followers: number;
}

export interface Root {
  id: number;
  name: string;
  active: boolean;
  tags: string[];
  profile: RootProfile;
}
Found this useful?Email

Advertisement

What it does

Turn any JSON sample into a TypeScript interface — no build tools required.

Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.

How to use it

  1. Paste JSON.
  2. Review the interface.
  3. Copy into your .ts file.

Advertisement