|Company||Adobe System Incorporate|
|Supported Platforms||Windows, Mac OS, Iphone, Ipad, etc|
|File Signature||Digital Signature|
PDF stands for Portable Document Format which is developed by Adobe. It can contain images, hyperlinks, text, video, etc. PDF is really an excellent and one of the most secure file format. It offers a way to restrict access to your PDF file if you don’t want others open your PDF file so you can set the password to restrict the access. PDF files are viewable on any platform like Windows, Mac Operating System and mobile platform like Android, Iphone, Ipad, etc. PDF format documents are easily searchable. PDF files are useful for the interchange of documents among application.
Hexadecimal: 25, 50, 44, 46, 2D, 31, 2E.