CSV to JSON Converter for Swift

Free online csv to json converter with Swift code examples

Working with csv to json converter in Swift? Our free online csv to json converter helps Swift developers format, validate, and process data instantly. Below you will find Swift code examples using CodableCSV so you can achieve the same result programmatically in your own projects.

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Open CSV to JSON

Swift Code Example

import Foundation

let csv = "name,age,city\nAlice,30,New York\nBob,25,London"
let lines = csv.components(separatedBy: "\n")
let headers = lines[0].components(separatedBy: ",")
var result: [[String: String]] = []
for line in lines.dropFirst() {
    let values = line.components(separatedBy: ",")
    var dict: [String: String] = [:]
    for (i, header) in headers.enumerated() {
        dict[header] = values[i]
    }
    result.append(dict)
}
let jsonData = try JSONSerialization.data(withJSONObject: result, options: .prettyPrinted)
print(String(data: jsonData, encoding: .utf8)!)

Quick Setup

Library: CodableCSV
// SPM: https://github.com/dehesa/CodableCSV

Swift Tips & Best Practices

  • CodableCSV provides Codable-based CSV parsing
  • For simple CSV, string splitting works fine
  • Handle quoted fields with proper CSV libraries for production

Frequently Asked Questions

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