Web based auction system is a versatile approach for facilitating lot-based online auctioning system. The project “Web based auction system” is a website that holds auctions of various products on a website and serves sellers and bidders accordingly. This system is designed to allow users to set up their products for auctions and bidders to register and bid for various products available for bidding. This site brings the auction to the fingertips of aspiring bidders and sellers to a wider section of products. One may browse deals and put bids on a secure server using the web based auction system. On the basis of its reliability, efficiency and security, it is not wrong to say that this auction system is unique and can differ from all other systems which are also developed and designed for the purpose of auctioning.