Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems.
PDF
This article is all about color in PDF images, and exactly what the depth of an image means in practice. All PDF images will... Indexed colorspaces are a very useful way of reducing the amount of memory and space needed when they only have a certain number of... Form XObjects (not be confused with forms which are buttons, checkboxes, buttons, etc) are an advanced feature of the PDF file format. They can... Hyperlinks are external, cliackable links which appear on web pages and other documents and allow you to go web pages or download files. PDF... PDF files can include interactive forms – radio buttons, checkboxes, text boxes, lists, etc. There are interactive widgets – the user can click on... I was recently sent a PDF file where some of the metadata appeared to be wrong. In particular, the PRODUCER field was appearing in... 