xPrice is a Firefox extension designed to enhance online shopping experiences by providing historical price data for products from major Romanian retailers like eMAG, Altex, and Flanco. This tool allows users to see if prices have increased or decreased, helping them make informed purchasing decisions. With a lightweight design under 200KB, it promises ultra-fast performance without slowing down browser navigation.

The extension features a discreet widget that appears next to product prices, offering essential information without disrupting the website's functionality. Users can access a vast network of supported stores and millions of monitored products, ensuring they find the best deals available. xPrice also includes affiliate links in its pop-up, which are clearly marked and only visible upon user interaction, ensuring transparency and no additional costs for users.