An online casino no deposit welcome bonus is an enticing offer that allows new players to explore a casino's games without having to make an initial deposit. This bonus typically comes in the form of free spins or bonus cash, enabling players to try out various games risk-free. It serves as a great way to attract new customers, giving them a taste of the casino experience while increasing their chances of winning real money. However, players should always read the terms and conditions, as wagering requirements and game restrictions may apply.