A no deposit bonus, in its simplest definition, is a type of casino bonus offered by an online gambling operator. This type of online casino bonus does not require you to make any deposit – instead, you get it for free and you can use it immediately to play the games you like. Most no deposit bonuses are and come in small amounts of money like 5, 10, or 20 dollars, but they can also come in free spins or exclusive bonuses at certain casinos.