PDF Format

Top 9 PDF file questions with answers for developers

PDF stands for “portable document format”. It is a binary format made of objects -number, strings, arrays, dictionaries, streams and keywords ‘null’. Let’s understand...
Mark Stephens
2 min read

How to edit PDF files using Incremental Updates

Mark has previously written about how to edit PDF files by adding a second reference table, and Daniel made a whole series on making...
Sam Howard
1 min read

Why can’t I just open and edit a PDF…

People sometimes try to edit a PDF file by opening the file in a text editor. This very rarely works for 3 reasons. Firstly,...
Mark Stephens
1 min 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

What is a YCCK colorspace in a PDF file?

PDF is a very flexible file format in which colour can be represented in lots of different ways. This allows great flexibility and also...
Mark Stephens
1 min read