The Credit Card Checker is a Freeware easy to use tool to help you check validity of a credit card number. You don't have to go online or transmit sensitive credit card information.
Credit Card Checker verifies your credit card numbers right on your computer. Credit Card Checker uses Luhn algorithm for validation. This utility can only validates the integrity of the number combination, not the credit card itself.
Credit Card Checker must-have for anyone taking orders over the phone to validate the credit card number.
It checks for the valid length, prefix, and check digit for the major credit cards such as Visa, MasterCard, JBC, American Express, DinersClub, Discover, Switch and much more.