PDF - WikipediaPDF Portable Document Format is a file format that has captured all the elements of a printed document as an electronic image that you can view, navigate, print, or forward to someone else. To view and use the files, you need the free Acrobat Reader, which you can easily download. Once you've downloaded the Reader, it will start automatically whenever you want to look at a PDF file. PDF files are especially useful for documents such as magazine articles, product brochures, or flyers in which you want to preserve the original graphic appearance online. A PDF file contains one or more page images, each of which you can zoom in on or out from. You can page forward and backward. The Reader itself is free and can be used as a plug-in with your Web browser or can be started by itself.
Why We Use PDF File ? Portable Document Format
Portable Document Format (PDF)
This article demonstrates how documents prepared in hypertext or word processor format can be saved in portable document format PDF. These files are self-contained documents that that have the same appearance on screen and in print, regardless of what kind of computer or printer are used, and regardless of what software package was originally used to for their creation. PDF files are compressed documents, invariably smaller than the original files, hence allowing rapid dissemination and download. Portable Document Format PDF - Adobe was created in order to allow formatted documents to be widely distributed regardless of whether specific fonts or postscript files are available on the user's system. This ensures that as long as the user has the ability to read PDF files, documents will be viewed exactly as formatted by the original authors, with both appearance and content integrity. Moreover, for online viewing, the browser plug-in is stable, easy to use and available for download. PDF files also allow the easy distribution of large documents, and the indexing facility inbuilt in the PDF format can create a fast lookup system.
The Portable Document Format PDF redundantly : PDF format is a file format developed by Adobe in the s to present documents , including text formatting and images, in a manner independent of application software , hardware , and operating systems. PDF was standardized as ISO in , and no longer requires any royalties for its implementation. Today, PDF files may contain a variety of content besides flat text and graphics including logical structuring elements, interactive elements such as annotations and form-fields, layers, rich media including video content and three dimensional objects using U3D or PRC , and various other data formats. Adobe Systems made the PDF specification available free of charge in PDF was a proprietary format controlled by Adobe until it was released as an open standard on July 1, , and published by the International Organization for Standardization as ISO ,   at which time control of the specification passed to an ISO Committee of volunteer industry experts. In , Adobe published a Public Patent License to ISO granting royalty-free rights for all patents owned by Adobe that are necessary to make, use, sell, and distribute PDF compliant implementations. PDF 1.
How to View a PDF File
Join , subscribers and get a daily digest of news, geek trivia, and our feature articles. A file with the. PDFs are typically used to distribute read-only documents that preserve the layout of a page. PDF was created by Adobe in the s to achieve two things. The first is that people should be able to open the documents on any hardware or operating system, without needing to have the app used to create them—all you need is a PDF reader, and these days most web browsers fit the bill.