About this app
Stop losing international sales to surprise import fees. Tax & Duty King shows shoppers the full landed cost — duties, taxes, and fees — directly in the cart and on the product page, before they check out. Supports EU↔UK, UK→US, IOSS, DDP, and multi-origin fulfilment. Reduce cart abandonment, prevent refused deliveries, and build trust with global customers. Coverage for 50+ countries.






