Portable Document Format or PDF is a file format created by Adobe Systems, Inc. PDF uses the PostScript printer description language and is highly portable across computer platforms. PDF documents have a .pdf file extension (myfile.pdf)
A de facto standard file format, use PDF to:
- Share files with others who don't have the same software
- Share files with others who use a different platform (Mac, Windows, Linux, etc.)
- Share files that will look the same (layout, fonts) on multiple computer systems
- Share files that can be protected from unauthorized viewing, printing, copying, or editing
- Publish electronic documents, ebooks, etc.
- Print files to many different types of printers, and all look essentially the same
- Create files with annotations, hyperlinks, and bookmarks that can be shared via email and on the Web
- Create interactive forms that can be shared via email and the Web
- Create files that are more efficient than PostScript or native file formats typically used in commercial printing
PDF documents are created with Adobe Acrobat Distiller or other PDF creation apps. Some desktop publishing apps can create PDF files from within the program, usually with the assistance of helper programs. Adobe Acrobat Reader is the main software for opening and viewing PDF documents.