JSON to Swift Struct

Convert JSON to Swift structs with Codable conformance online. Generate Swift type definitions from any JSON object. Browser-based — no data sent to servers.

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JSON to Kotlin Data Class

Generate Kotlin data classes from JSON

JSON to TypeScript

Generate TypeScript interfaces from JSON

JSON Formatter & Beautifier

Format and validate JSON with syntax highlighting online

Frequently Asked Questions

Are Codable protocols included?

Yes. Generated Swift structs conform to Codable (Encodable & Decodable) for seamless JSON encoding and decoding.