Adobe is an American multinational computer software company, and the original creator of the PDF file Format.

Adobe

Interesting PDF bugs – Mixed up font object

A PDF file can contain several different types of embedded font. Here is an interesting font Object from a PDF created by the DocuCorp...
Mark Stephens
56 sec read

Understanding the PDF file Format – Space is a…

The PDF text stream contains the instructions to draw the actual contents of the PDF. One of these instructions is the Tj command, which...
Mark Stephens
54 sec read

Why writing a PDF parser is such a ‘challenging’…

In theory the PDF file format is specified in detail and is very precise. In practice, you meet alsorts of ‘interesting problems’ – the...
Mark Stephens
1 min read

How can a PDF file be broken?

People often ask how you can have a broken PDF file? I have looked at a file which gives a nice example so here...
Mark Stephens
57 sec read

Using PDF files in unusual ways

One of my favourite features of the PDF file format is it’s flexibility. It goes way beyond a document format, it offers lots of...
Mark Stephens
1 min read