The "花子省钱助手" is a Chrome extension developed by gaohuazi, available for free. This browser add-on falls under the Browsers category specifically in Add-ons & Tools. It automatically discovers coupons for products on JD, Taobao, and Tmall, enhancing your shopping experience by helping you save money.

When browsing product lists or details on Taobao and Tmall, this extension seamlessly checks for available coupons and integrates coupon prompts into the pages. By clicking "领券" (Get Coupon), users can easily navigate to the coupon page to claim discounts before making a purchase, ensuring more savings. Additionally, users can search for coupon-eligible products swiftly by entering the item title in the extension icon.