How to Convert JPG/JPEG Image to PDF Photography has undergone a massive change in the last decade or so as it embraces the digital medium almost completely. People take more photographs than ever before, and most of them will only ever be displayed on a screen. The most common format for storing images is the JPEG format. Anyone anywhere can save a photo in this format and be sure that it will be displayed on the internet correctly as well as work with almost every photo editing software out there.