Adobe is an American multinational computer software company, and the original creator of the PDF file Format.
Adobe
The best way to identify a PDF file is to scan the first line of the file. In theory the first line of a... Recently we have begun development on converting the JavaScript contained within PDFs to JavaScript that can be used by any browser browsing the HTML5... In theory the PDF file format is specified in detail and is very precise. In practice, you meet alsorts of ‘interesting problems’ – the... Indexed colorspaces are a very useful way of reducing the amount of memory and space needed when they only have a certain number of... There have been several revisions of the PDF file specification, each backward compatible but adding new features. For example, the PDF format version 1.6... PDF page size is generally defined by the CropBox or MediaBox setting for each page. This is the number of pixels. This provides a... 
