JSON to Swift Struct
JSON & Data Format · Free Online Tool
Convert JSON to Swift Codable struct.
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
- 1Paste your input data (JSON, CSV, XML, YAML, etc.) into the input field.
- 2The tool automatically processes and validates your data.
- 3Review the converted output in the result panel.
- 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.
Related Tools
JSON to Protobuf Schema
Convert JSON to Protobuf .proto message definitions.
JSON to SQL
Convert JSON array to INSERT statements or DDL.
JSON to HTML Table
Render JSON array as an HTML table.
JSON to Properties
Convert JSON to Java .properties key-value file.
JSON to INI
Convert JSON to INI configuration file format.
JSON to Query String
Convert JSON object to URL query string.
CSV Formatter
Beautify CSV with aligned columns and custom delimiter.
CSV Viewer
Display CSV content in a sortable table.