A no deposit bonus is a type of promotion offered by online casinos where players can receive free bonus funds without having to deposit any money. This allows players to try out the casino games without risking their own funds. No deposit bonuses often come with wagering requirements that must be met before any winnings can be withdrawn. Players should always read the terms and conditions of a no deposit bonus to understand any restrictions that may apply. Overall, a no deposit bonus can be a great way for players to explore new online casinos and potentially win real money without any financial risk.