A free program for Android, by MRZ STUDIO.

Fast Scan: Cam Scanner, PDF Scanner, PDF Converter, QR Reader, and OCR Text Scanner is an app that lets you scan and convert all the documents and images that you have on your phone. It also lets you edit the PDFs that you get from it, so that you can make them more organized and easier to read. It also lets you translate the text in the documents and images into many languages, so you can use it to translate all the documents and texts that you want.

You can use it as a fast scanner, so that you don’t have to use a paper document, an invoice, a receipt, or a book to scan them. You can also use it to convert the images that you have in your phone into PDFs, so that you can enjoy the best quality of the images and that you can share them with others.