Portable Document Format (PDF) is considered one of the most reliable formats for communication because of its immense security. While Adobe has always provided free ...

How to Create & Sell a PDF File. You can use PDF (portable document format) files to create ebooks on any subject imaginable. To create your own PDF file is usually quite simple. Just create a ...

Adobe created the PDF format and, therefore, has a large share of the market when it comes to software that creates portable documents. Many businesses use Adobe Acrobat to create PDFs. However, ...

A PDF file is one of the most widely used document types. It can be shared across multiple platforms, compressed into a smaller size easily, and cannot be edited without leaving a digital footprint.

Apple's Preview program is the default PDF viewer in OS X, and has a number of options for annotating and otherwise managing PDF files. One of its features is support for Quartz filters, which can ...