Satofull is a Japanese portal for applying to make hometown tax donations to municipalities and exploring regional gifts and local support options. Users can browse by municipality, area, gift category such as food, appliances, daily goods, travel vouchers, and experience tickets, or use rankings and featured collections. The site also lists disaster-relief donations and crowdfunding for local projects, provides an official app, and lets users select some thank-you gifts at a later time. Guides explain the donation program and application procedures, while a simulator estimates a donation deduction limit; account registration, a donation cart, and payment information are available. FAQs and contact support round out the site; Satofull facilitates municipal donations, regional support, and gift discovery rather than ordinary retail purchases.