Realtime parsing
Instant output updates as you edit JSON.
Professional online converter
Convert JSON into production-ready Go structs or TypeScript types.
Fast client-side parsing, clean nested type extraction, configurable export and optional fields, and a polished editor experience designed for developers.
Nested extraction
Automatic child interfaces and structs.
SEO optimized
Semantic structure and rich metadata.
Converter workspace
JSON to Go Struct / TypeScript Interface
Client-side only
INPUT JSON
Options
OUTPUT
export interface RootRootUserProfile {
age: number;
company: string;
location?: null;
}
export interface RootRootUserProjectsProject {
id: string;
title: string;
budget: number;
}
export interface RootRootUser {
id: number;
name: string;
email: string;
isActive: boolean;
score: number;
tags: string[];
profile: RootRootUserProfile;
projects: RootRootUserProjectsProject[];
}
export interface RootRootMetadata {
createdAt: string;
source: string;
}
export interface Root {
user: RootRootUser;
metadata: RootRootMetadata;
}Features
This converter supports object nesting, arrays, mixed types, null handling, export toggles, optional property generation, and interface/type selection for TypeScript output.
How It Works
Paste valid JSON on the left, choose your target format in the center panel, and copy or save the generated Go or TypeScript code from the output editor.
Why Use This Tool
It is fast, polished, and built for real workflow efficiency, helping developers move from raw JSON payloads to typed backend and frontend models in seconds.
SEO-friendly developer guide
JSON to TypeScript
Generate interfaces or type aliases from complex JSON payloads, including arrays of objects and optional values.
JSON to Go Struct
Create clean Go structs with json tags, nested struct extraction, and idiomatic field naming for backend APIs.