Free no deposit bonus codes are promotional offers provided by online casinos that allow players to try out games without risking their own money. These codes grant players a small amount of bonus cash or free spins upon registration, enabling them to explore the casino's offerings. This type of bonus is particularly appealing to newcomers, as it provides a risk-free opportunity to experience the gaming environment and potentially win real money. However, players should always check the terms and conditions, as wagering requirements and withdrawal limits may apply.