Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems.
PDF
There have been several revisions of the PDF file specification, each backward compatible but adding new features. For example, version 1.6 added a new way to... Color is a complex topic in PDF. This article helps to explain how it works. How to define Color in PDF files Color can... One of the many reasons people do not put their content online is worries about security – they worry that the material can be... The size of a PDF is generally defined by the CropBox or MediaBox setting for each page. This is the number of pixels. This... A linearized PDF is a special way to organize a PDF file. In general, the PDF is a very elegant and well-designed format. A... 