A no deposit bonus online is a promotional offer provided by casinos and gaming sites that allows players to try out games without having to make an initial deposit. This type of bonus typically comes in the form of free cash or free spins, enabling users to explore the platform and potentially win real money without financial risk. No deposit bonuses are popular among new players, as they provide an opportunity to experience the excitement of online gambling while testing the site's features and games. However, players should be aware of the terms and conditions that often accompany these offers.