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JSON to Swift Struct

JSON & Data Format · Free Online Tool

Convert JSON to Swift Codable struct.

By CoderNewbie Team
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155 chars
241 chars
import Foundation

struct Root: Codable {
    let name: String
    let age: Int
    let active: Bool
    let score: Double
    let address: Address
    let skills: [Any]
}

struct Address: Codable {
    let city: String
    let zip: String
}

Type Inference

Int, Double, String, Bool — chosen from your values.

Codable

Structs conform to Codable for JSON encoding/decoding.

Nested Structs

Objects become named structs, recursively.

How to Use JSON to Swift Struct

  1. 1Paste your input data (JSON, CSV, XML, YAML, etc.) into the input field.
  2. 2The tool automatically processes and validates your data.
  3. 3Review the converted output in the result panel.
  4. 4Copy or download the converted result.

Features

  • ✓100% free — no signup, no subscription, no ads
  • ✓Runs entirely in your browser — data never leaves your device
  • ✓Fast and lightweight — instant results
  • ✓Cross-platform — works on desktop, tablet, and mobile

Frequently Asked Questions

Can I convert large JSON files?

Yes, but performance depends on your browser. Files up to 10MB are generally handled well.

Do you validate the input?

Yes, most tools validate input and show error messages with line numbers for invalid data.

Can I download the converted result?

Yes, most conversion tools provide a download button for the output file.

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