iOS Swift Convert Image to and from base64 String example

import UIKit

class ViewController1: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.navigationItem.title = "Main View"
        
        let imageView = UIImageView()
        imageView.frame = CGRect(x: 50, y: 50, width: 200, height: 200)
        imageView.contentMode = .scaleAspectFit
        view.addSubview(imageView)
        
        //Convert image to Base 64 String
        let myImageName = "apple.png"
        let myImage = UIImage(named: myImageName)
        imageView.image = myImage
        let imageStringData = convertImageToBase64(image: myImage!)
        print("IMAGE base64 String: \(imageStringData)")
        
        //Convert Base 64 String back to Image
        let imageView2 = UIImageView()
        imageView2.frame = CGRect(x: 300, y: 50, width: 200, height: 200)
        imageView2.contentMode = .scaleAspectFit
        view.addSubview(imageView2)
        imageView2.image = convertBase64ToImage(imageString: imageStringData)
        
        
    }
    
    func convertImageToBase64(image: UIImage) -> String {
        let imageData = image.pngData()!
        return imageData.base64EncodedString(options: Data.Base64EncodingOptions.lineLength64Characters)
    }
    
    func convertBase64ToImage(imageString: String) -> UIImage {
        let imageData = Data(base64Encoded: imageString,
                             options: Data.Base64DecodingOptions.ignoreUnknownCharacters)!
        return UIImage(data: imageData)!
    }
    
    
}

Base64 String value if the Image
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gg==