A no deposit online bonus is a promotional offer provided by online casinos and gaming platforms 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 spins or bonus cash, enabling players to explore the site and potentially win real money without financial commitment. It's an attractive option for newcomers, as it lowers the risk while enhancing the gaming experience. However, players should be aware of the terms and conditions, including wagering requirements, before claiming these bonuses.