Convert between UIImage to Base64 string in swift

Convert between UIImage to Base64 string

Swift 4 example

Encoding

func ConvertImageToBase64String (img: UIImage) -> String {
    let imageData:NSData = UIImageJPEGRepresentation(img, 0.50)! as NSData //UIImagePNGRepresentation(img)
    let imgString = imageData.base64EncodedString(options: .init(rawValue: 0))
    return imgString
}

Decoding

func ConvertBase64StringToImage (imageBase64String:String) -> UIImage {
    let imageData = Data.init(base64Encoded: imageBase64String, options: .init(rawValue: 0))
    let image = UIImage(data: imageData!)
    return image
}

Note: Tested in xcode 9.4.1

for more detail please check here : 

https://stackoverflow.com/questions/11251340/convert-between-uiimage-and-base64-string/51394491#51394491