Does it support nested JSON objects?

JSON to Code & Type Converter

Data Converters100% Client-Side

Convert JSON payloads into TypeScript interfaces, Go structs, Python Pydantic models, Rust serde types, and Java records.

Target Language:

Root Name:

Input JSON Payload

Generated Code

export interface UserResponse {
  id: number;
  username: string;
  email: string;
  is_verified: boolean;
  roles: string[];
  profile: Record<string, unknown>;
}

What is JSON to Code & Type Converter?

Transform raw API JSON payloads into strongly-typed data structures for TypeScript, Go, Python, Rust, and Java instantly with custom naming and optional fields.

How to Use Online

1
Paste Sample JSONPaste your API response payload or JSON document into the input editor.
2
Select Target LanguageChoose TypeScript, Go Struct, Rust, C# Model, or Java POJO.
3
Set Root Type NameName the root interface or struct according to your domain model (e.g. UserResponse).
4
Copy Generated TypesCopy strongly typed models with automatic field type inference into your project.

Key Features

Supports TypeScript interfaces, Go structs, Python Pydantic, Rust structs, Java records
Configurable root struct/class naming
Handles nested objects and arrays seamlessly
1-click code copying and file downloading

Common Use Cases

Generating API response models for frontend React/Next.js projects
Creating Go backend data models from third-party REST payloads
Writing Python Pydantic schemas rapidly

Frequently Asked Questions

Yes, all nested objects and array types are parsed and mapped accurately.