Credit Card Validator

Validate Credit Card Numbers

Check a credit card number with our online checker!

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Check your credit card number

Example credit card numbers need more test data?

Credit Card Type Credit Card Number
American Express371449635398431
Diners Club30569309025904
Luhn Algorithm Check  

We'll check your number against the Luhn Algorithm to see if it is a valid credit card number.

Major Industry Identifier  

The first digit of a credit card number represent the category of entity which issued the card.

Issuer identification number  

The first six digits of a card number identify the institution that issued the card to the card holder.

Personal Account Number  

Digits 7 to final number minus 1 (the last is the checksum) indicate the individual account identifier.

How many digits in a Credit Card Number?
Card length:

  • Visa and Visa Electron: 13 or 16
  • Mastercard: 16
  • Discover: 16
  • American Express: 15
  • Diner's Club: 14 (including enRoute, International, Blanche)
  • Maestro: 12 to 19 (multi-national Debit Card)
  • Laser: 16 to 19 (Ireland Debit Card)
  • Switch: 16, 18 or 19 (United Kingdom Debit Card)
  • Solo: 16, 18 or 19 (United Kingdom Debit Card)
  • JCB: 15 or 16 (Japan Credit Bureau)
  • China UnionPay: 16 (People's Republic of China)

What checks will we perform on your number?

We perform some checks on your number and explain what each part of it means. That being said, we we'll show you results for:

Tips for Card and PIN Safety

  • Sign your card as soon as you receive it.
  • Safeguard your card as though it was cash.
  • Memorize your PIN. Never write it down.
  • Make sure you receive your card back from the salesclerk or waiter when you use it.
  • Shred receipts that contain the full account number if you do not need to keep them.
  • Review your account statements as soon as you receive them to make sure all the transactions are yours.
  • Make a list of your credit card numbers and customer service phone numbers and store it in a locked place. This will make it easier for you to call to cancel the cards if your purse or wallet is lost or stolen.
Is this online checker tool safe to use?

This service is safe to use. The only risk is if anyone is literally looking at your screen while you use the website.

We can't and won't access any of the data you insert in the website, including you credit card number. All the computations are performed in your browser so that your credit card number remains safely with you.

If you are technically inclined you can look behind the scenes and make sure that absolutely no contact is being made with our server, no cookies are being set, no local storage is being used. If you're not technically inclined, ask politelly to a friend who is, and make sure!

Note: Credit card number generated are valid but DOES NOT WORK like an actual credit card. They do not have any actual REAL VALUE. They are for data testing and verification purposes only. If you do not want to expose your financial credit card details using your real credit card. Feel free to generate fake numbers here and use it instead.