Impuestito is a subscription-based Firefox extension designed for gamers in Argentina. It calculates the final price of video games, including taxes, across 15 different gaming stores such as PlayStation, Xbox, Nintendo, and Epic Games. This tool helps users avoid complex calculations by automatically applying known tax rates and currency conversions, ensuring that they see the complete price before making a purchase. Users can view all final prices at once, highlighted in green for easy identification.

The extension supports major gaming storefronts like GOG, Xbox, PlayStation, and more, while also planning to expand its features. Upcoming functionalities include personalized tax settings, Game Pass detection, and price comparisons with other retailers. Impuestito aims to simplify the shopping experience for gamers by providing transparent pricing information, making it an essential tool for anyone looking to purchase games in Argentina.