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

3-Heights PDF Desktop Analysis & Repair Tool

Analyse PDF documents against the PDF specification and repair corrupt files or recover information from...

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FileOpen Publisher

Combines all the powerful features of our most advanced PDF security systems and rolls them into an...

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Ubiquitous PDF: PDF eBooks-Library

If you are looking for a good store of PDF content, you could do a lot worse than visiting eBooks-Library.com...

September 03, 2009
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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.

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