PDF full name of the Portable Document Format, is short for portable document format, but also the format extension. It is developed by the Adobe company's unique cross-platform file format. It can put the document text, formatting, font, color, resolution, links and graphic images, sound, moving image, etc. All the information is encapsulated in a special integration file. It is the starting point is technically a high-function, feature significantly stronger than the existing text in a variety of popular formats; another famous, superior strength of Adobe's hard to promote, and now has become a new generation of electronic text, the industry can not be disputed standard. Is absolutely unprecedented in its possession superior cross-platform functionality (applicable to all platforms with MAC/WINXX/UNIX/LINUX/OS2, etc.), do not rely on any system, language, fonts, and display mode; and HTML which has hypertext links to navigate reading; strong print publishing capabilities to support the various requirements of electronic publishing; and received the support of a large number of third-party software companies, with a variety of browsing mode of operation; and other traditional document formats smaller and more convenient on the Internet transmission.
Open the PDF file are available:
Adobe Acrobat
Adobe Photoshop
Adobe Reader
Foxit Reader (too Acrobat or Adobe Reader use this bar too)
Foxit PDF Editor
CAJViewer
ScanSoft PDF Converter Professional
etc.
Related knowledge of photo editing software:
Convert your PDF files to images like magic
Directly convert dozens of image formats
automatically skew-correct B/W images