Learning Centers

What are Learning Centers?

The professional learning centers provide the essential information for anyone from beginners, to creative professionals wanting to improve their knowledge on essential topics. This section is exclusively dedicated to creative, print and pre-press users. See below for the latest additions.

PDF Color

Many details on color usage in PDF and PostScript have been published by Adobe and other sources, but it can be a daunting task to understand it, much less put it into practical use. This Learning Center discusses the color secrets of PDF and their associated myths. It also attempts to provide a clearer picture of how color is applied in PDF as well as the related issues for composite color prepress workflows.

PDF Preflight

Have you ever been shocked when you saw the final printed result of something you had designed or pulled your hair out because the perfect PDF file you just received doesn't behave as you expected? In this Learning Center at Planet PDF, Enfocus's David van Driessche explains why that happens and what you can do to again sleep well at night...

PDF In-Depth Free Product Trials Ubiquitous PDF

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Back to the past, 15 years ago! Open Publish 2002

Looking back to 2002, it's amazing how much of the prediction became a reality. Take a read and see what you think!

September 14, 2017
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The ultimate plug-in for Adobe Acrobat. Advanced splitting, merging, stamping, bookmarking, and link control. Take Acrobat to the next level.

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Adding a PDF Stamp Comment

OK, so you want to stamp your document. Maybe you need to give reviewers some advice about the document's status or sensitivity. This tip from author Ted Padova demonstrates how to add stamps with the Stamp Tool along with related comments.