"Buy High Price Shelves" is a Chrome extension developed by nnsoftware, offering quick price calculations for buying or selling old shelves. This tool assists users in determining the necessary costs for their needs and provides references for various types of old shelves, categorized by material such as industrial wood, natural wood, inox, s81t, and PVC.

To use the application, users simply need to install it like any other Chrome extension, click on the extension icon in the toolbar, select the desired shelf type, input the quantity, and calculate. The result window will then display the estimated costs for reference.