Paste JSON on the left, switch the target language from the top tabs, and get polished output instantly on the right. The interface is designed for speed, clarity, and developer confidence.
Syntax-aware editor feel with line numbers and graceful validation.
Generates `type AutoGenerated struct ` or `export interface Root `.
Copy the generated code quickly for your editor or API workflow.
Developer experience
This page follows a premium split-pane layout with polished controls, responsive spacing, and a strong dark-mode first presentation.
Choose a target language, edit JSON on the left, and preview generated code on the right.
export interface Meta {
createdAt: string;
owner: string;
}
export interface Root {
id: number;
name: string;
active: boolean;
rating: number;
tags: string[];
meta: export interface Meta {
createdAt: string;
owner: string;
};
}If you frequently work with APIs, webhooks, SDKs, or sample payloads, this tool reduces repetitive typing and helps keep your models consistent. It is ideal for backend services, frontend apps, and rapid prototyping.
Go Struct
Produces exported fields with `json:"field"` tags for ergonomic API decoding.
TypeScript Interface
Outputs a typed interface structure that fits modern React and Next.js codebases.
Common use cases include API client generation, backend request/response modeling, webhook payload inspection, and frontend state typing. Developers often search for a free JSON to Go struct generator or an online JSON to TypeScript interface converter when they need clean types fast.
This tool is optimized for fast rendering, semantic HTML, strong metadata, and clear textual content so search engines can understand the page. It also helps users quickly validate JSON and copy production-ready code with minimal effort.