Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems.

PDF File Format

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

There is more than one PDF file specification

One of the really annoying thing about working with PDF is that there is actually more than one PDF file specification. First of all,...
Mark Stephens
1 min read

Understanding the PDF file format – text streams

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

Working out PDF page size in inches or centimetres

The size of a PDF is generally defined by the CropBox or MediaBox setting for each page. This is the number of pixels. This...
Mark Stephens
45 sec read

Corrupt PDFs? Maybe this is your problem.

On more than one occasion we have had clients coming to us reporting that JPedal tells them that their files are corrupt. This is...
Sam Howard
1 min read