Loki

PDF is the abbreviation for Portable Document Format. Adobe created it in 1992 to present documents in the same way with any device. Today, PDF is one of the most popular file formats in use. But what are its principal advantages? The PDFs have a small size, and they are easy to use. Also, these files are mainly secure thanks to the encryption that allows users to sign documents and verify their identity while signing them. PDFs can contain many media — images, video clips, audio tracks, etc. ...