Bonus no deposit codes are promotional offers provided by online casinos and gaming platforms that allow players to receive free bonuses without having to make an initial deposit. These codes can be entered during the registration process or in the cashier section, granting players access to free spins or bonus funds. They serve as an enticing way for new players to explore games and potentially win real money while minimizing financial risk. However, it's essential to read the terms and conditions, as wagering requirements and game restrictions often apply.