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
There was an interesting question posted on stack overflow asking ‘Is JPedal free?’ It is a intriguing question so let us unpack it and... Form XObjects (not be confused with forms which are buttons, checkboxes, buttons, etc) are an advanced feature of the PDF file format. They can... 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... How to calculate PDF Image dpi Most elements of a PDF file are device independent Vector graphics. This means that they will always appear... White is a special color in the PDF file format. This is because of the way different colours work in the PDF file format.... 