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Citation Software Inc.
 Specialists in variable-data publishing since 1986

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QUESTION: What is a plug-in?

ANSWER: A "plug-in" is a software module that enhances the functionality of a software application. In other words, a plug-in adds features to an application.

Plug-ins are sometimes referred to as "extensions" — and plug-ins for QuarkXPress are called "XTensions."

A plug-in cannot function on its own; it is designed to work in conjunction with a particular application.

There are plug-ins available for many software applications, including Adobe Acrobat, Adobe Illustrator, Adobe InDesign, Adobe Photoshop, and QuarkXPress. When plug-ins are mentioned on this Web site, it is usually in the context of a discussion about the Adobe Acrobat software.

There are many plug-ins available for Adobe Acrobat. Here are just some of the things that you can do with plug-in software for Adobe Acrobat:
  • make sure a PDF file will print properly in your environment (this is often called "preflighting")

  • re-position the pages in a PDF file

  • re-number the pages in a PDF file

  • make extensive changes to the text in a PDF file

  • combine several PDF files to make one PDF file

  • extract text from a PDF file in a format that represents the hierarchy with the PDF (the relationships among headings and sub-headings, etc.)

  • print a PDF file in booklet format (i.e., saddle-stitch format)

  • change the color specifications in a PDF file from CMYK to RGB and vice versa.

This is just a sampling of what you can do with Adobe Acrobat plug-in software. Adobe Acrobat plug-ins are available for countless other tasks.

How do you find plug-in software for Adobe Acrobat?

Citation Software offers competitive pricing on a variety of useful Adobe Acrobat plug-ins. "Quite Imposing Plus" is one of the most popular Adobe Acrobat plug-ins sold by Citation software.

You can get free advice from Citation Software to help you decide what Adobe Acrobat plug-in(s) to buy — just call 888-260-7316 or send email to

To learn about the Adobe Acrobat plug-ins that are sold by Citation Software, go to

How do you find XTensions for QuarkXPress?

A good way is to search the Internet for QuarkXPress XTensions.

Let our Wizard help you find the right product!

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