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

Credit card fraud has become prevalent in today's digital age, and merchants and banks are relying on credit card validators to verify the authenticity of credit cards used in transactions. A credit card validator is an online tool that determines whether a credit card number is valid or not. It checks for the correct format of the card number, issuer identification number, and other mathematical algorithms used in creating a credit card number.


A credit card validator is essential because it helps businesses and banks reduce chargebacks, prevent fraud, and ensure that transactions are secure. Without a validator, it's easy for scammers to use fake credit cards, which can lead to significant financial losses.


Online merchants and banks are now integrating credit card validators into their systems and websites to ensure that their customers' personal and financial information is kept safe. In this article, we'll delve into what credit card validators are, how they work, and why they're crucial in today's world.

What is a Credit Card Validator?

A Credit Card Validator is a tool used to check and verify that a credit card number is valid. This includes checking the format, length, brand, and country of issue of the card number entered. A credit card validator will also check whether the entered card number is valid for debit cards as well. The credit card validator uses algorithms to validate the card number by entering it into the system and then running it through a series of checks and verifications. The system will check that all the digits are correct and in the correct format, as well as verifying the brand and country of issue. Once validated using this tool, you can be sure that your card number is accurate and accepted by merchants.

How to use the Credit Card Validator?

To use the Credit Card Validator, you need to enter the credit card number into the tool. It can be a MasterCard, Visa, American Express or any other brand of credit card. The validator will then check the number and validate it against various criteria such as its length, spacing between digits and country of issue. Once validated, you will receive an answer to whether or not it is a valid credit card number. This can be a useful tool when making purchases online or verifying payments. It is important to remember that the Credit Card Validator does not check for any issues with your card like whether it has been stolen or lost. You should also make sure to use this tool only on trusted websites and never share your credit card number with anyone else. The Credit Card Validator is a great tool for quickly checking if your credit card number is valid before making any payments or purchases online.

How does a Credit Card Validator work?

A Credit Card Validator works by examining the credit card number that is provided. This number consists of up to 16 digits, each one representing different information about the card. In order to properly validate a credit card, the validator must first check the major industry identifier (MII) and issuer identification number (IIN). The MII is a single digit that identifies the type of institution that issued the card and the IIN is used to identify the actual issuer. The validator will then use this information to determine whether or not the credit card number is legitimate by checking it against a list of accepted numbers from that specific issuer. Once validation has been completed, it can be used as an identification and authentication tool for various activities, such as online purchases or ATM withdrawals.

What are the uses of a Credit Card Validator?

A Credit Card Validator is a tool used to check the validity of a credit card number. The validator uses the Luhn algorithm, which is a mathematical formula that checks whether or not the credit card number has been entered in the correct format. It also verifies that the issuing bank and brand of the card are valid, as well as checking if the country of issue is correct. A Credit Card Validator can be used to make sure that payments are made properly and securely. By using a Credit Card Validator, customers can be assured that their payment will be accepted by their issuing bank and that it will be processed correctly. It also helps prevent fraudulent activity, since any invalid credit card numbers will be blocked from passing through the system. In addition, using a Credit Card Validator helps ensure that all transactions are secure and valid before they are completed.

How Many Digits Are In A Credit Card Number?

A credit card number is a unique 16 digit number found on the front of credit cards. This number is used to identify the card and validate payments during transactions. This validation process ensures that the payment is from a valid credit card and not a debit or other type of card, such as Visa or American Express. A credit card validation tool is used to check if the card number is valid by matching it with information held in the credit card issuer’s database. Credit and debit cards issued by Mastercard, Visa and American Express all have their own specific format for the numbers printed on them. The first 4 digits are usually referred to as an Issuer Identification Number (IIN) which identifies the company that issued the card, while subsequent numbers can be used to identify individual customers or accounts. By using this 16 digit number, businesses can use it as a verification tool before processing a payment transaction.

Is credit card validator real?

Yes, a credit card validator is real, and it is an essential tool for businesses to protect against fraud. This type of validation system ensures that the customer’s credit card information is accurate and up-to-date by performing a variety of checks. The validator will check the validity of the card number, the expiration date, as well as the security code on the back of the card. It also verifies whether or not the customer’s billing address matches with that on file with their bank or financial institution. Additionally, some validators are integrated with systems such as 3D Secure which adds an extra layer of security when making payments online. Credit card validators have become increasingly popular among businesses due to their convenience and effectiveness in preventing fraudulent transactions.

How do you check a credit card is active or not?

Checking if a credit card is active or not is an important step before using it. The best way to do this is to contact the issuer of the card. You can call the customer service number listed on the back of the card and provide them with information such as your name, address and account number. They should be able to tell you if the card is active or not. If you are unable to get through on the customer service line, you may also be able to check online by logging into your account or visiting the issuer's website. Once logged in, look for a section that displays your account status. This will usually display whether your card is active or not. It's important to remember that even if a credit card is listed as active, there may still be restrictions in place such as spending limits or other terms and conditions that govern its use. So it's always best to double-check these details before attempting any transactions with the card.

Can you check if a credit card is still valid?

Yes, you can check if a credit card is still valid. Depending on the type of card, this can be done in several ways. For example, if you have a debit or prepaid card, you can contact your issuing bank to confirm that your account is still active and in good standing. You may also be able to run a balance inquiry online or by phone to determine if the funds are available for use. If you have a credit card, the best way to check its validity is to request a free copy of your most recent credit report from one of the three major credit reporting bureaus (Equifax, Experian or TransUnion). This will show any accounts associated with your name and whether they are currently in good standing. Alternatively, you could simply try using the card at an ATM or merchant location to see if it works; however, this method isn’t always reliable since there are other factors that could prevent it from working (e.g., insufficient funds).

What does it mean to validate a credit card?

Validating a credit card means that the business is verifying the payment information provided by the customer. This includes making sure that the customer's name, address, and other details match those of their credit card company. Additionally, it involves checking to see if the customer's bank has sufficient funds to cover the purchase. This process helps protect both businesses and customers from fraudulent activity by ensuring that only valid payments are accepted. Furthermore, it helps businesses keep track of their sales activity more accurately. Validation also helps reduce instances of chargebacks as customers can be certain that their payments have been properly processed and recorded. By taking these steps, businesses can ensure they are providing secure transactions for all customers while minimizing risk for themselves.

How do I verify my credit card on my phone?

Verifying a credit card on your phone is easy and straightforward. First, make sure the card is active and that you have sufficient funds to make purchases. Then, open the app you’re using for the purchase and enter the card details. When prompted for verification, enter any security code associated with the card. Depending on the app or website you’re using, you may also need to provide further information such as your name, address and other personal information. Once all of this has been entered correctly, your account should be verified within a few minutes. If verification is unsuccessful due to incorrect information being entered or insufficient funds in the card account, contact your bank or financial institution for help before attempting another verification process.