‘PDF’ is an acronym of Portable Document Format. It is a document format which is portable in nature. This means that it is a kind of document or computer application which is used for containing either textual or graphical data or both. This kind of computer application is portable across multiple platforms. It means that a PDF document can be accessed on all sorts of computer systems.
A Portable Document Format file has been designed in two ways possible. There are scanned and native PDF files. The scanned files are the ones that are prepared by scanning a physical piece of paper and then saving the scanned image in a PDF format. The native files can be created by using PDF converter tools in the market. You can create this non-editable computer application out of any other file format such as Word, Power Point, Excel or Postscript.
This computer application has got compression algorithms. These algorithms are the ones that are used for compressing the images or graphics in the document. This feature compresses the size of a document that makes the size of a file small. A smaller size of a file can be easily used for transferring the files from one computer system to another. This is what makes a PDF document portable and compatible. The application also has all sorts of font types embedded in the document. You can incorporate the fonts so that they get displayed on any system when transferred to any other user. In this way, sharing of files and coordinating efforts become easy and convenient by incorporating the content in a PDF file format. You can also insert multimedia effects or animated images into a non-editable file. You can even protect your content with the help of passwords, certificates or digital signatures. The passwords can be set by the author preventing a reader from editing or reading a file without a correct password. Digital signatures enable a user to copyright the content. All these are unique facts about PDF that make this application popular among the users.
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