CC Check – Credit Card Validation Utility

CC Check is a lightweight, menu bar applet to help busy users verify credit/bank card numbers on the fly. No internet connection required. CC Check users the Luhn algorithm and can verify the following card issuers: - Visa - MasterCard - Discover - American Express - Diner Club - Maestro - JCB - and more! Save yourself time and peace of mind with CC Check! Disclaimer: This is a very simple test and cannot verify that valid card numbers are active or have actually been issued by a bank or credit card agency.