Chapter 4. Using Common Extensions and Filters
In This Chapter
Discovering the real purpose of filters and extensions
Using common extensions and filters in Adobe CS5
Extensions, also known as plug-ins, are pieces of software installed or saved on your computer that work as add-ons to existing programs. For example, you may be able to use an extension to integrate with a different program, help add usefulness to a program (such as the ability to create 3D text), change the appearance of an object in your software, or add a 3D effect to a video file. Filters are used to change parts of a document. Even if you haven't used Photoshop, you're probably already familiar with some popular Photoshop filters, such as Watercolor and Emboss, used for artistic effects. This chapter shows you common plug-ins, extensions, and filters, as well as how to use them in the Creative Suite.
Looking at Common Extensions and Filters
Extensions are sometimes used for similar tasks in several programs and are designed to enhance a program's existing capabilities. Extensions and filters can also dramatically speed up the creative process. At the mere click of a button, you can add to your project an amazing effect that may have taken many hours to accomplish without the plug-in.
Additional filters and plug-ins for the programs are available or linked from the Adobe Web site. You can also easily find plug-ins for downloading from the Web. A search yields many results for these packages. A good place to start is ...