Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems.

PDF

What is PDF form flattening?

Interactive Forms in PDF Files PDF files can include interactive forms – radio buttons, checkboxes, text boxes, lists, etc. There are interactive widgets –...
Mark Stephens
53 sec read

Why is my PDF Producer showing up in Chinese…

I was recently sent a PDF file where some of the metadata appeared to be wrong. In particular, the PRODUCER field was appearing in...
Mark Stephens
1 min read

How to calculate PDF image dpi

How to calculate PDF Image dpi Most elements of a PDF file are device independent Vector graphics. This means that they will always appear...
Mark Stephens
1 min read

Why is white a special color in PDF files?

White is a special color in the PDF file format. This is because of the way different colours work in the PDF file format....
Mark Stephens
1 min read

7 ways to navigate around a PDF file

Update: You can see all these modes in action on Youtube. A PDF file is a multipage document which can contain many pages. Unlike...
Mark Stephens
1 min read

What Java Developers need to know about PDF Files?

PDF stands for portable document format and is the world’s most popular file format. So it’s likely to be one that Java Developers need...
Mark Stephens
2 min read