Ashkon Software

Easy Credit Card Checker: Free Credit Card Number Validator

Easy Credit Card Checker tells you in an instant whether a credit card number is valid. Type or paste the number, click Check, and the program verifies it with the Luhn (mod 10) checksum, identifies the card network from the leading digits and highlights the matching card: Visa, Mastercard, American Express, Diners Club, Discover or JCB.

Free download
Easy Credit Card Checker main window showing a valid Visa card number
Main window

Features

  • Luhn (mod 10) checksum: the same check digit algorithm card issuers use, catches mistyped and transposed digits.
  • Automatic card type detection from the leading digits (IIN/BIN prefix) and number length.
  • Supported networks: Visa, Mastercard, American Express (AMEX), Diners Club, Discover and JCB.
  • Clear result: “Valid VISA Card” or an invalid-number message, with the detected card highlighted.
  • No internet connection required: every number is checked locally on your computer.
  • Not a credit card number generator: the program only checks numbers you enter; it does not generate card numbers.
  • Cut, Copy, Paste and Clear buttons and menu commands; numbers with spaces are accepted.

Why check card numbers

Payment processors may charge a fee even when the submitted card number is invalid — because of a typo, a misprint or a fraudulent order. Running the number through Easy Credit Card Checker first catches those errors before you submit a charge, and is handy when taking card orders by phone.

The Luhn check confirms that a number is well-formed; it does not confirm that an account exists, is open or has available credit.

Easy Credit Card Checker is not a credit card number generator or a number generation tool. It only verifies numbers that you type or paste, and it works entirely offline — no internet connection is required.