An introduction & features
Have you ever wondered what the information on your credit card actually means? A quick read of anatomy of a credit card shows me the possibility of presenting an easy to use tool to decode the hidden secrets of your credit card code, with no risk and no pain.
- Easy-to-understand reports show if your number is valid with a Luhn check
- Learn where a card was issued
- Find the account number on your credit card
- Works with Mastercard, Visa, AMEX, Discover, and more
- Also includes support for dining, club and air cards
How to use & examples
Simply type your credit card number into the form above, and hit enter. You can enter the number in either AAAABBBBCCCCDDDD or AAAA-BBBB-CCCC-DDDD format!
Here are some examples of valid credit card numbers and completely invalid numbers. Verisign kindly provides the following test numbers:
| Master Card | Visa | American Express (AMEX) |
|---|---|---|
| Master Card | Visa | American Express |
| Master Card | Visa | American Express |
| Visa | Amex Corporate | |
| Diner's Club | Discover | JCB |
| Diner's Club | Discover | JCB |
| Diner's Club | Discover | JCB |