Custom Right-Click Menu is a Firefox extension designed for users who want to personalize their right-click context menu. With this tool, users can add custom JavaScript scripts, links, and sub-menus, as well as apply custom CSS stylesheets to enhance functionality. This extension is built with full compatibility for GreaseMonkey userscripts and Stylish userstyles, making it a versatile choice for those looking to modify their browsing experience.

Using the Custom Right-Click Menu API, users can easily integrate JavaScript scripts into their context menu, offering a level of customization similar to that of creating a Chrome extension. However, it is important to note that this extension does not permit the removal of existing right-click menu entries. Overall, this tool provides a straightforward way to tailor the right-click menu to better fit individual preferences.