Promo codes for online casinos are special alphanumeric codes that players can use to unlock various bonuses and promotions. These codes often provide benefits such as free spins, deposit matches, or cashback offers, enhancing the gaming experience and increasing winning potential. Players can typically find these codes on casino websites, promotional emails, or affiliate sites. Utilizing promo codes is a smart way to maximize your bankroll and explore new games without risking too much of your own money. Always check the terms and conditions to ensure you make the most of these exciting offers.