Invented by Adobe Systems over 20 years ago, the Portable Document Format (PDF) is now an open standard for electronic document exchange maintained by the International Organization for Standardization (ISO). When you convert documents, forms, graphics, and web pages to PDF, they look just like they would if printed.
PDF
When you are viewing a PDF file, you may well notice that (like a web page) there are blue clickable links. These are defined... What are PDF Xref tables? Xref tables are part of the original PDF file specification and one of the features which gives the PDF... The PDF format makes extensive use of stacks. A stack is like a pile of books. If you add an item it goes on... One of the biggest issues within PDF files we find is the use of carriage returns, spaces and line feeds as gaps with the... What are subsetted fonts? Subsetted fonts are fonts which only include certain values. If you look at the fonts on your Computer you will... 