Multiple formats
Generate Codable structs, ObjectMapper models, or classic key/value dictionary classes.
Free developer utility · A SkilledHat solution
JSON to Swift, without the boilerplate.
Use this free JSON to Swift converter to generate clean Swift Codable models and structs in seconds. Preview, copy, or download the generated code.
Built for momentum
From API response to usable models
Skip repetitive model setup and move straight into building your Swift application.
No installation
Use the converter in any modern browser and download generated Swift files immediately.
Developer focused
A small, direct utility maintained by SkilledHat, a software delivery and automation agency.
Swift resources
Go beyond code generation
Practical guides for safer JSON handling and maintainable Swift models.
Common Pitfalls In Json To Swift Conversion
Converting Between Json And Swift Objects
How To Boost Your Json To Swift Conversion Speed
How To Create A Model From Json In 10 Minutes
Json And Swift Best Practices For 2024
Json To Pojo In Java And Swift Equivalent
Mastering Json To Codable Conversion In Swift
Optimizing Json Handling With Objectmapper In Swift
Swift Json To Struct Conversion Advanced Techniques
Swift Openapi Generator And Json4swift
FAQ
Common questions
What is Json4Swift?
Json4Swift converts sample JSON into Swift model code, reducing the manual work required to represent API responses in an app.
Is Json4Swift free?
Yes. The browser-based converter is free to use and requires no account or local installation.
Does it support Codable?
Yes. Choose Swift Codable to generate models that work with Swift's native JSONEncoder and JSONDecoder APIs.
Who maintains Json4Swift?
Json4Swift is a SkilledHat solution. SkilledHat builds dependable software, cloud, DevOps, automation, and AI solutions.