Description: An add-on is an additional software component that enhances the functionality of a system, allowing users to customize and extend the capabilities of an application or platform. These add-ons can vary in form and function, from simple extensions that add minor features to complex modules that significantly transform the user experience. Add-ons are common in various applications, such as web browsers, content management systems, development environments, and e-commerce platforms. Their use allows developers and users to tailor the software to their specific needs, facilitating the integration of new functionalities without the need to modify the base code of the system. This not only saves time and resources but also fosters an active community of developers who create and share add-ons, enriching the ecosystem of the software they operate in.