A no deposit bonus is a popular promotional offer in online casinos that allows players to try out games without having to make an initial deposit. Typically, players receive a small amount of bonus money or free spins upon registration, enabling them to explore the casino's offerings risk-free. This type of bonus is an excellent way for newcomers to test the waters and potentially win real money without financial commitment. However, it's essential to read the terms and conditions, as wagering requirements and withdrawal limits often apply.