Learning Centers

What are Learning Centers?

The professional learning centers provide the essential information for anyone from beginners, to CEOs, to developers wanting to improve their knowledge on essential topics. This section is exclusively dedicated to enterprise, office and government users. See below for the latest additions.

Accessible PDF

Until recently, the focus in content accessibility has tended to focus on HTML and XML. As a result, content managers often turn a blind eye to the hundreds of thousands of PDF files sitting on their servers, downloaded every day... and 99% of them, hideously inaccessible, and utterly non-compliant with Section 508.

In this Learning Center, Planet PDF introduces the basic issues of accessible PDF, and what you can do about it. If you have questions, please post them on the new PDF Accessibility Conference in the Planet PDF Forum.

Adobe Acrobat 6.0 Product Family

Adobe has segmented Acrobat into three distinctly separate products. Check out our in-depth learning center on the biggest release since 1.0.

The Planet PDF team gives you the quick wrap, explores the key new features -- including PDF creation, commenting & reviewing, file optimizing, document searching, adding stamps and text -- and explains feature by feature the differences between Professional and Standard versions.

Introduction to Acrobat & PDF

If you've ever wondered about PDF, or even if you've just been annoyed when that "Adobe thing" pops up when you are surfing the web, you'll find something of interest here. In this Learning Center at Planet PDF we try to answer some of the most basic questions about PDF.

PDF In-Depth Free Product Trials Ubiquitous PDF

Debenu Aerialist

The ultimate plug-in for Adobe Acrobat. Advanced splitting, merging, stamping, bookmarking, and link...

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Debenu Quick PDF Library

Get products to market faster with this amazing PDF developer SDK. Over 900 functions and an equally...

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Five visions of a PDF Day

In the world of PDFs or as we like to say Planet (of) PDF, a year isn't a real PDF year without an intense few days of industry knowledge sharing.

May 15, 2018
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Debenu PDF Aerialist

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


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.