{ }

JSON to Codable

Paste JSON and get clean Swift Codable structs. Smart type inference for URLs, dates, and UUIDs. CodingKeys generated only when needed.

Root:

Access:

Sendable

Decodable only

All optional

JSON Input

Try an example:

Swift Output

Swift structs will appear here

Automatically infers Date, URL, and UUID types from string values. Handles nested objects and arrays.

CodingKeys only when snake_case is detected. No boilerplate. Properties use proper Swift naming.

Optional Sendable conformance for concurrency. Choose between Codable and Decodable. Control access levels.