PDF Format

How to edit PDF files using Incremental Updates

Yesterday, Mark wrote about how wrong references tables can be. He’s also previously written about how to edit PDF files by adding a second...
Sam Howard
1 min read

PDF teasers – how would you handle this stack…

This article arose as a result of debugging a customer file which was not displaying properly. There are many PDF files out there which...
Mark Stephens
1 min read

Why XFA support is important?

One of the big enhancements we are adding into our Version 5 release of our PDF library is support for XFA, so I thought...
Mark Stephens
1 min read

Why we need to see your PDF files…

What makes writing a PDF parser especially interesting (ie complex) is that the specification is often ambiguous and that PDF is a very complex...
Brendan
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