Just convert your image to pdf via PDFKit
import PDFKit
let pdfPage = PDFPage(image: screenshotImage)
let fm = FileManager.default urls = fm.urls(for: .documentDirectory, in: .userDomainMask).first!
let savedPDF = urls!.appendingPathComponent("pdfPage.pdf") pdfPage?.document?.write(toFile: "pdfPage")
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