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JSON to Code Converter

Automatically convert JSON data to data models in multiple programming languages. Supports TypeScript, Java, Go, Python, Rust, C#, Swift, Dart, Kotlin, and SQL. All tools run locally in your browser, ensuring your data privacy and security.

Convert JSON to TypeScript Interface

Transform your API responses into clean, reusable TypeScript types with automatic inference for nested structures.

TypeScript

Generate Go Structs from JSON

Turn any JSON payload into idiomatic Go structs with proper field naming and serialization tags.

Go

Convert JSON to Java POJO Classes

Generate clean Java boilerplate code from JSON inputs, optimized for modern frameworks like Spring and Hibernate.

Java

Convert JSON to Python Dataclass

Create robust Python data models from JSON inputs with full support for modern type hinting.

Python

Generate Rust Structs from JSON

Turn JSON data into safe, performant Rust structures with full Serde integration.

Rust

Convert JSON to C# Classes

Instantly create professional C# model classes from JSON data for fast .NET development.

C#

Generate Swift Codable Models

Create type-safe Swift structures from JSON to simplify network data parsing on Apple platforms.

Swift

Convert JSON to Dart Classes

Generate clean Dart code with full JSON serialization support for your Flutter projects.

Dart

Generate Kotlin Data Classes

Transform JSON payloads into idiomatic Kotlin data classes to eliminate boilerplate in your Android apps.

Kotlin

Convert JSON to SQL Schema

Infer database table structures from JSON payloads and generate optimized SQL scripts for data migration.

SQL

What is JSON to Code Converter?

JSON to Code Converter helps developers quickly convert JSON data structures into data model definitions for various programming languages. This is very useful for API development, frontend-backend integration, data migration, and other scenarios. Just input JSON data, and you'll get code that conforms to your target language's standards.

Supported Languages

  • TypeScript: Generate Interface or Type definitions with nested objects and optional properties
  • Java: Generate POJO classes with Jackson/Gson annotations and Lombok support
  • Go: Generate Structs with JSON tags and pointer types
  • Python: Generate Dataclasses with type hints and default values
  • Rust: Generate Structs with Serde serialization macros
  • C#: Generate Classes with Newtonsoft.Json and System.Text.Json support
  • Swift: Generate Codable Structs with CodingKeys
  • Dart: Generate Classes with fromJson and toJson methods
  • Kotlin: Generate Data Classes with null-safety and serialization annotations
  • SQL: Generate CREATE TABLE statements with intelligent type inference

Features

  • Real-time Conversion: Generate code instantly after inputting JSON, no waiting
  • Multiple Naming Styles: Supports camelCase, PascalCase, and snake_case
  • Configurable Options: Null safety, serialization annotations, optional types, and more
  • Smart Type Inference: Automatically recognizes dates, numbers, booleans, and other types
  • Nested Object Support: Perfectly handles complex nested data structures
  • Privacy Protection: All processing happens locally in your browser, data never uploaded to servers

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