Tax & Duty King is a powerful Shopify app designed to enhance international shopping experiences by providing full transparency of import taxes and duties. By displaying estimated fees directly in the cart, customers are informed of any additional costs before they make a purchase, leading to higher conversion rates. The app supports shipping to countries such as Europe, Canada, Australia, and the USA using real-world tax rules and HS codes to ensure the accuracy of charges. It aims to reduce abandoned carts, improve customer satisfaction, decrease returns, and enable businesses to expand globally with ease. With seamless integration across all Shopify themes, the app features a smart tax and duty estimator for 57 countries and incorporates built-in HS code logic across 60+ product categories. Additionally, automatic daily currency conversion ensures that charges are shown in the customer's local currency, while a clean analytics dashboard provides installation and usage metrics.