Lucky, as others have already said, frogs eat lots of bugs. If you have a large population of frogs around your home, you must also have lots of bugs or they wouldn't stay around. Once they reduce the bug population around where you live, they will move on to the next good food source. Nature balances itself.
If you do something to get rid of the frogs, I'll bet you will suddenly discover, and not in a good way, what it is they are eating. I'd recommend you keep the frogs and appreciate what they're doing for you. The alternative might be worse.
