Shopping tools are resources that help consumers make informed purchasing decisions. These can include price comparison websites, which allow users to compare prices of products across different retailers, ensuring they get the best deal. Other tools may include product review sites, where shoppers can read feedback from other customers about their experiences with specific items. Additionally, shopping tools can encompass mobile apps that track sales and discounts, helping users save money. Some tools also offer features like barcode scanning, enabling shoppers to quickly find product information and prices while in-store. Overall, these tools enhance the shopping experience by providing valuable insights and savings opportunities.