JSON to TypeScript
Convert any JSON payload into clean, formatted TypeScript interfaces. 100% in your browser.
JSON InputPaste your JSON here
Generated TypeScriptValid TypeScript
export interface RootObject {
id: string;
name: string;
email: string;
isActive: boolean;
role: string;
metrics: Metrics;
tags: string[];
projects: ProjectsItem[];
}
export interface ProjectsItem {
id: string;
title: string;
stars: number;
}
export interface Metrics {
loginCount: number;
lastActive: string;
}🔒 Runs in your browser · Nothing uploadedNo account · Free forever · Works offline
How to use JSON to TypeScript
- 1Open the tool — it runs entirely in your browser, nothing is uploaded.
- 2Enter or paste your input and follow the on-screen controls.
- 3Copy or download the result. Add it to Saved to find it again.