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== What is Plug-in? ==

A '''plug-in''' is a software component that adds a specific feature or service to an existing software application. Plug-ins are designed to be easily integrated with the host application and can be used to extend the functionality of the application or to enable the application to support a particular file format or protocol.

Plug-ins are often used to add features or capabilities to web browsers, such as support for playing audio and video or viewing certain types of documents. They can also be used to add features to content management systems, such as the ability to track website traffic or optimize images for the web.

Plug-ins are typically developed by third-party developers and are designed to be used with specific applications. They can be installed and configured by users, and may be distributed as freeware or as commercial products.

Plug-ins can be an efficient way to add new features to an [[application]] without having to modify the core code of the application. This can make it easier for developers to extend the capabilities of an application without having to rewrite or maintain large amounts of code.



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