Credit Card Validator

Credit Card Validator


Credit Card Validator: Validating Credit Card Numbers

With the increase in online transactions, the importance of validating credit card details has never been more critical. The Credit Card Validator is a tool designed to assist individuals and businesses in ensuring they enter valid credit card numbers. In this comprehensive guide, we’ll explore its features, usage, and answer some frequently asked questions.


The Credit Card Validator is a web-based tool designed to ensure that a credit card number is both valid and fit for transactions. It achieves this by employing the Luhn algorithm, a widely-used formula for validating a variety of identification numbers, notably credit card numbers.

While it may look like a simple tool, the Credit Card Validator performs the vital task of safeguarding against potential transaction errors or fraudulent activities. By verifying the number before making a transaction, users can avoid costly mistakes.

Additionally, the tool offers BIN/IIN (Bank Identification Number) lookup functionality. With just the first six digits of a card number, it provides details like the bank name, card brand, card type, and country of issue.


1. Luhn Algorithm Implementation

The core of the tool is the Luhn algorithm, ensuring every credit card number entered is a valid one. This feature saves users from transaction errors or even potential fraud.

2. BIN/IIN Lookup

With the rise of various banks and financial institutions, it becomes increasingly essential to identify where a card originates. The BIN/IIN lookup can retrieve details about the issuing institution, card type, and more.

3. Interactive User Interface

Built on Bootstrap, one of the most popular web development frameworks, the tool offers a responsive and clean interface, suitable for both desktop and mobile users.

4. Instant Feedback

Upon validation, users receive immediate feedback, denoting if the credit card number is valid or invalid. If valid, additional details about the card are presented.

5. Secure and Private

No credit card details are stored, ensuring the safety of users’ data.

How to Use the Credit Card Validator

Using the Credit Card Validator is a straightforward process:

  1. Access the Tool: Open the Credit Card Validator on your preferred web browser.
  2. Enter Card Details: In the input field labeled “Credit Card Number,” enter the card number without any spaces or dashes.
  3. Verification: Click on the “Verify” button.
  4. View Results: In a few moments, the tool will display whether the card number is valid or invalid. For valid cards, additional BIN/IIN details are also shown.

Copy And Enter the Below Numbers To Test

Card Table
Test numberCard type
371449635398431American Express
376680816376961American Express
36259600000004Diners Club

Source from Paypal


Q1: Is the Credit Card Validator free to use? A: Yes, it’s a free online tool.

Q2: Will my credit card details be stored or shared? A: No. The Credit Card Validator does not store or share any details. It’s designed for instant verification and forgets the details immediately after use.

Q3: How accurate is the BIN/IIN lookup? A: The tool pulls data from, a reputable BIN/IIN lookup service. However, always ensure to cross-check details if they are critical to your transaction.

Q4: Can the validator check the card’s available balance or personal details? A: No. The tool only validates the card number’s authenticity and provides BIN/IIN details. It can’t access personal details, card balance, or transaction history.

Q5: I got a valid response, but my transaction failed. Why? A: The validator only checks the number’s validity. A transaction can fail for various reasons – expired card, insufficient funds, or other bank-related issues.

In conclusion, the Credit Card Validator is an essential tool in today’s digital age. Whether you’re a business owner looking to validate transactions or an individual checking the authenticity of a card, this tool ensures you do so swiftly and securely. Always remember, while validation is crucial, always safeguard your card details and use them responsibly.

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