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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

PDF mystery – what is the correct value for…

I came across an interesting issue with PDF Text fields while debugging a file this week. We were sent a 2 page document created...
Chris Wade
1 min read

Where do PDF viewers get font data for non-embedded…

What are Standard fonts? One of the reasons that the PDF file format is so popular is that it embeds a large amount of...
Mark Stephens
1 min read

Understanding PDF text objects

Understanding PDF Text Objects Inside a PDF is a Postscript stream of commands which describe the page – they draw the text, images or...
Mark Stephens
1 min read