A no deposit bonus is a type of promotion offered by online casinos. It allows players to access free funds without having to make a deposit. This type of bonus is popular among players looking to try out a casino without risking their own money. With a no deposit bonus, players can test out games and potentially win real money. However, there are usually terms and conditions attached to these bonuses, such as wagering requirements and withdrawal limits. Overall, a no deposit bonus can be a great way to explore an online casino and its offerings.