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

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    Credit Card Validator tool on Toolszu.com is an essential utility for anyone involved in online transactions or payment processing. This tool allows users to verify the validity of credit card numbers, ensuring that they conform to the rules set by major credit card organizations. Whether you’re a developer, a business owner, or simply curious about a card’s authenticity, this tool can help you out.

    What is a Credit Card Validator?

    A credit card validator checks whether a given credit card number is valid according to specific algorithms, particularly the Luhn algorithm. This algorithm helps to determine if the number is structured correctly and likely represents a real credit card, although it does not guarantee that the card is active or has available credit.

    How to Use the Credit Card Validator Tool

    Using the Credit Card Validator is straightforward:

    1. Visit the Tool: Navigate to the Credit Card Validator page on Toolszu.com.

    2. Enter Credit Card Number: Input the credit card number you want to validate in the provided text box.

    3. Select Card Type (Optional): If you know the card type (like Visa or MasterCard), you can select it, but it's not necessary as the tool can automatically detect it.

    4. Click Validate: Hit the “Validate” button to check the card number.

    5. View the Results: The tool will display whether the credit card number is valid or not, along with additional details if applicable.

    Key Features of the Credit Card Validator Tool

    • Instant Validation: Quickly check if a credit card number is valid without any complicated steps.

    • Card Type Detection: The tool automatically detects the type of card based on the number you input, making it easier to validate.

    • User-Friendly Interface: Designed for simplicity, the tool is accessible to everyone, regardless of their technical background.

    • Free to Use: There’s no charge for using this tool, and no registration is required.

    Why Use the Credit Card Validator Tool?

    • Fraud Prevention: Validating credit card numbers can help businesses identify potentially fraudulent transactions before they are processed.

    • Transaction Accuracy: Ensures that the card information entered by customers is accurate, reducing errors during payment processing.

    • Developer Support: Essential for developers creating applications that handle credit card transactions, helping them to implement effective validation processes.

    Important Note

    While this tool can determine if a credit card number is structurally valid, it does not check whether the card is active, has available credit, or belongs to a legitimate account holder. Always follow best practices for handling sensitive information securely.

    Final Thoughts

    The Credit Card Validator tool on Toolszu.com is a valuable resource for anyone dealing with credit card transactions. With its quick validation process and user-friendly design, it simplifies the task of verifying credit card information, helping to enhance security and accuracy in payment processing. Give it a try the next time you need to check a credit card number!


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