let webpURL = URL(string: "https://www.gstatic.com/webp/gallery3/1_webp_ll.webp")! let data = try! Data(contentsOf: webpURL) let path = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] let filePath = path + "/file.webp" try! data.write(to: URL(fileURLWithPath: filePath)) imageView.image = UIImage(contentsOfFile: filePath)