Credit Card Validator

To use Card Validator, Paste card no in the given input box below and click on validate credit card button.

Check your credit card number

  • Visa
  • Mastercard
  • American Express
  • Discover
  • JCB
  • Diners Club

Example credit card numbers

Credit Card Type Credit Card Number
American Express 371449635398431
Diners Club 30569309025904
Discover 6011111111111117
JCB 3530111333300000
MasterCard 5555555555554444
Visa 4111111111111111

Passed Validation Failed

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

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

About Credit Card Validator

What is Credit Card Number Validator?

A Credit Card Validator tool is a software or online service designed to help verify the validity of credit card numbers provided by users or customers. Credit card numbers are typically 16-digit numerical codes that are associated with a specific financial institution and account. These numbers play a crucial role in processing online and offline transactions.

The purpose of a Credit Card Validator tool is to ensure that the credit card numbers entered by users are accurate and valid before processing any transactions. This helps prevent errors, reduce fraud, and improve the overall efficiency of payment processing systems. Here's how a typical Credit Card Validator tool works:

  1. Luhn Algorithm Check: Most Credit Card Validator tools use the Luhn algorithm, also known as the "modulus 10" or "mod 10" algorithm, to verify the basic integrity of a credit card number. The Luhn algorithm checks the validity of the credit card number by performing a series of mathematical operations on the digits and verifying that the result is divisible by 10.
  2. Credit Card Issuer Identification: Apart from the Luhn algorithm check, some Credit Card Validator tools can also determine the issuer of the credit card based on the first few digits (known as the "Issuer Identification Number" or IIN) of the credit card number. This can help identify the type of credit card (Visa, MasterCard, American Express, etc.) and the issuing bank.
  3. Expiration Date CheckThe tool may also validate the expiration date provided by the user to ensure that the card is not expired.
  4. Advanced Fraud Detection:Some advanced Credit Card Validator tools may integrate with fraud detection systems and databases to flag potentially suspicious or stolen credit card numbers.

It's important to note that while a Credit Card Validator tool can verify the basic validity of a credit card number, it does not guarantee that the card is still active or that the user has sufficient funds to complete a transaction. It's just one component of a broader payment processing system.

How to Use the Credit Card Validator?

Here is how you can use the Credit Card Validator to check the validity of your credit card.

Enter the credit card number in the Credit Card Checker.

Click on Validate Credit Card.

If the credit card passed the Luhn algorithm, you’d see its validity details in a short while.  

Note: This tool only tells you the validity status of a credit card. It doesn’t show the credit available on the card. This tool is for checking the validity of credit cards only. 


Credit Card Validator tools are commonly used by e-commerce websites, online payment gateways, and other businesses that process credit card transactions. They help improve the accuracy and security of payment processing, reduce errors, and enhance the user experience by catching mistakes before they lead to payment issues.




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