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

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Problems caused by Arial font in PDF files

The Arial Font Arial is a very popular font with a contemporary sans serif design. The font family is also on the font families...
Mark Stephens
1 min read

What is a PDF dictionary?

A PDF file is composed of many objects, each identified by a unique object number and generation number. Objects begin with the object number...
Mark Stephens
1 min read

Java images – 5 tips for Java ImageIO image…

We have been doing a lot of work recently on images in Java and will be writing a series of articles on JPEG2000 support,...
Mark Stephens
48 sec read

What are CID fonts?

Understanding CID Fonts in PDFs CID fonts play a crucial role in supporting Asian and multi-byte character sets within PDF files. This article explains...
Mark Stephens
1 min read

How is text stored in a PDF file?

Text is defined in PDF files by a Font object and a set of TJ commands. So you will see something like this in...
Mark Stephens
55 sec read

How does image color depth work in PDF files?

This article is all about color in PDF images, and exactly what the depth of an image means in practice. All PDF images will...
Mark Stephens
59 sec read