An online casino is a gambling website that offers real money rewards to players who gamble and place bets using the internet. These websites are regulated by state and territory gaming authorities, and they follow strict rules to ensure fairness and integrity for all their customers. They can be accessed by anyone who is at least 21 years old and has a compatible e-device with an internet connection. They also have a variety of payment methods and other features, including live chat, to make it easy for users to get help and answer any questions they might have.

When you play a casino game online, your account has a bankroll that shows how much you have won or lost. You can use this information to decide how much you want to wager. When you win, your winnings will be added to your balance, and when you lose, your losses will be subtracted from it. You can then withdraw your bankroll, which includes your winnings and losses, at any time.

This allows a player to enjoy all the fun and excitement of a traditional casino without having to leave their home or office. This is why so many people prefer online casinos to traditional brick-and-mortar casinos. In addition to the convenience and ease of use, a casino online has a number of other advantages over its in-person counterpart.

Aside from offering a more convenient way to gamble, an online casino also provides a wider range of games and bonuses that are not available in brick-and-mortar casinos. These include free spins on slot machines, no deposit bonuses, and other ways to bolster your bankroll when you start playing for real money. In addition, online casinos often have higher payout limits than their in-person counterparts and can accept multiple forms of currency.

In the United States, legal online casinos offer a wide selection of casino games and sports betting options. There are hundreds of sites to choose from, and each one has put together a unique welcome package that will add value to your play. For example, some offer bonus spins on popular slots, while others give you the opportunity to try out new table games.