Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems.
PDF
PDF files sometimes reference external resources such as images or other documents. To increase portability and ease archival of such PDF files, these resources... Digital signatures are a stamp of authentication for digital information. For PDF files, they provide the ability to detect whether the document has been... Introduction Can you determine if a PDF is searchable for text without opening it? Well you will need some special software. This might be... To show how to read a PDF file, I have created a step by step guide to reading very ‘simple’ PDF (it just shows... What exactly is a PDF form? A PDF form is an electronic document in Portable Document Format (PDF) which has interactive fields that let... This article lists and defines commonly used terminology from the PDF world. AcroForm AcroForm is a PDF form format that was introduced in... 
