Free spins and no deposit bonuses are popular promotions in online casinos, allowing players to try out games without risking their own money. Free spins offer a set number of chances to play specific slot games, while no deposit bonuses provide a small amount of bonus cash simply for signing up. These incentives attract new players and enhance the gaming experience, giving them a taste of the casino's offerings. However, it's essential to read the terms and conditions, as wagering requirements and game restrictions may apply.