欲しいものリスト合算くん is a Chrome add-on designed to enhance the Amazon wish list experience by providing users with a total price calculation of all items listed. This tool is especially useful for those who compile lists of products, such as PC components, for bulk purchasing. With this add-on, users can easily see the cumulative cost of their selected items, which aids in budgeting and decision-making.

This free tool integrates seamlessly with the Amazon platform, displaying the total amount directly on the user's wish list. It simplifies the shopping process by eliminating the need to manually calculate the total cost of items. As a result, users can quickly assess their spending and make informed purchasing choices without the hassle of external calculators or spreadsheets.