Free online JSON to code generators
Generate typed models from a JSON sample or API response: TypeScript interfaces, Go structs, Java classes, C# classes, Python dataclasses, Dart models, Kotlin data classes and Swift Codable structs. All 8 tools are free, need no sign-up and run entirely in your browser.
JSON to TypeScript
Generate TypeScript interfaces from JSON
JSON to Go
Generate Go structs from JSON
JSON to Java
Generate Java classes from JSON
JSON to C#
Generate C# classes from JSON
JSON to Python
Generate Python dataclasses from JSON
JSON to Dart
Generate Dart classes from JSON
JSON to Kotlin
Generate Kotlin data classes from JSON
JSON to Swift
Generate Swift Codable structs from JSON
