Steam Inventory Helper is a Firefox extension designed to enhance the trading and inventory management experience for Steam users. It offers a range of powerful tools that simplify item selling, enable detailed price comparisons, and provide accurate inventory valuation. Key features include the ability to list multiple items for sale quickly, view detailed item information including float values and prices, and assess the total worth of an inventory based on selected marketplace data.

In addition to these functionalities, Steam Inventory Helper allows for efficient organization of items with stacking features and profit calculations for market transactions. Users can receive real-time trade notifications, utilize quick accept options for incoming trades, and gain insights into their inventory status. The tool also facilitates quicker purchases on the Steam Marketplace, enhancing the overall user experience for avid traders and collectors.