Credit Carder is a totally free application that has been designed to help you detect if the corresponding validation code for a credit card is correct, and so verify that the card is authentic.
On running Credit Carder you just have to indicate the corresponding credit card number, the type of card (VISA for example) and the code, and in a few seconds it will verify if the card is valid or not. It is ideal for use in restaurants, shops and other businesses where credit cards are used as payment.
For Credit Carder to work correctly you need to previously install .NET Framework 2.0 or later.