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How do Layers work in a PDF file?

One of the really cool features about PDF files is that they are not a boring, static file format – they can interact with...
Mark Stephens
46 sec read

Understanding the PDF file format – Text, shapes and…

I have been looking at an issue for a potential client recently which required the generation of different views of the page. This is...
Mark Stephens
1 min read

How does color work in PDF files?

Color is a complex topic in PDF. This article helps to explain how it works. How to define Color in PDF files Color can...
Mark Stephens
1 min read

How Are Images Stored in a PDF file?

How are images stored in a PDF file? When I was learning the PDF file format, I found Images could be quite a complex...
Mark Stephens
1 min read

How are PDF files password protected?

One of the many reasons people do not put their content online is worries about security – they worry that the material can be...
Mark Stephens
1 min read