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How to change link properties in PDF files

Adjusting the properties of links, such as appearance and destination zoom individually can be time-consuming and prone to error. In some circumstances, such as when preparing documents for eCTD submission, setting the correct link properties can be extremely important. Debenu PDF Aerialist can be used to set the properties of all links in a document […]

Editing PDF bookmark properties in bulk

Bookmarks are an invaluable tool when it comes to navigating through PDF files. Unlike links, bookmarks sit beside document content, and can be used or viewed at any time using the Bookmarks Pane or its equivalent in viewers such as Acrobat, Adobe Reader or Debenu PDF Tools Pro. Since they play such a key role […]

What is the difference between Debenu Quick PDF Library and Debenu Quick PDF Library Lite?

Debenu Quick PDF Library Lite includes a small subset of the features available in the full Debenu Quick PDF Library SDK. As of version 10.11 Debenu Quick PDF Library Lite includes 44 functions and the full version of Debenu Quick PDF Library has close to 900 functions. The features in the Lite version are limited to […]

Adobe Reader Extensions / Usage Rights

Adobe LiveCycle Reader Extensions (also known as Adobe Reader Extensions or Reader Extensions or Usage Rights) enables PDF forms designers, using either Adobe LiveCycle or Adobe Acrobat, to unlock hidden features in Adobe Reader such as the ability to save PDF forms or digitally sign PDFs. The ability to extend Adobe Reader this way is […]

Automatic Generation of Table of Contents from PDF Bookmarks

Using Debenu PDF Aerialist it is simple to create a Table of Contents or TOC from existing bookmarks in your PDF document. The steps are as follows: Open your PDF in Adobe Acrobat (make sure you have Debenu PDF Aerialist installed first) Go to Plug-Ins > Debenu PDF Aerialist > Table of Contents The Build […]

Using Text Masking in Debenu PDF Aerialist

Text masks are supported when generating bookmarks or tables of content in Debenu PDF Aerialist. The text masking property has a number of special characters allowing you to selectively create bookmarks. They are described in detail below with simple examples provided. Note: The user should be aware that the Bookmarks feature processes text by lines […]

What is an “outline” for PDF?

In the context of PDF, an “outline” is better known as a “bookmark”. While “bookmark” is the more common term, this type of object is referred to in the PDF specification as an “outline”. While this can be confusing, the two terms denote the same thing. While outlines/bookmarks have a range of uses, at its most […]

Redacting content in a PDF

Those working in the government, legal, pharmaceutical, healthcare and many other sectors often need to deal with confidential or privileged information. It is crucial to protect this information from being released to unauthorized readers. Traditionally, this has been managed through the process of redaction, which involves permanently deleting or censoring content so that sensitive information […]

Adobe Reader or Acrobat displays a “At least one signature has problems” message when signed PDF is opened

After signing a PDF file and then opening it in Adobe Reader or Adobe Acrobat the following message may be shown just below the toolbar:   This message does not indicate that the digital signature is invalid or corrupt. Instead it’s a poorly worded message from Adobe that causes unnecessary alarm. If you click on […]

How can I programmatically detect color PDF files versus black and white PDF files?

One method is to render each page to an image file and then check each pixel for RGB values not equal to each other. If R=G=B for each pixel then it’s a grayscale image. This should allow you to determine if a PDF file is color or black and white. There isn’t a document wide […]