Credit & Debit Card Number Generator and Validator

Card Number Generator tools are essential for developers, testers, and businesses looking to validate their payment gateway integration. These tools help ensure that the payment processing system can handle transactions without exposing real customer information.

What is a Credit Card Number Generator?

A Credit Card Number Generator is a tool that generates valid credit card numbers that conform to the rules and conventions of credit card issuers such as Visa, MasterCard, American Express, etc. These numbers are not linked to actual accounts and cannot be used for real transactions. Instead, they are used solely for testing purposes.

Why Use a Credit Card Number Generator?

  1. Security: Testing with real credit card information can expose sensitive data to potential risks. Using generated numbers eliminates this risk.
  2. Compliance: Using real credit card details in a non-production environment may violate legal or compliance requirements.
  3. Efficiency: Testing with generated numbers allows developers to simulate various scenarios and edge cases without needing access to real credit card data.

Key Features

  1. Different Card Types: Most generators support various card types (Visa, MasterCard, Amex, etc.), allowing testing across different providers.
  2. Valid Numbers: The generated numbers conform to the Luhn algorithm, a simple checksum formula used to validate various identification numbers.
  3. Customization: Some tools allow customization of expiration dates, CVV, country codes, etc., to simulate different conditions.
  4. Batch Generation: Some generators can create multiple numbers at once, facilitating bulk testing.

How Does It Work?

The Credit Card Number Generator uses the following rules:

  1. Prefix Numbers: The starting numbers of a credit card number are specific to the issuing network. For example, Visa cards typically start with “4.”
  2. Number Length: The length of the credit card number varies by issuer. For example, Visa and MasterCard typically have 16 digits.
  3. Luhn Algorithm: This algorithm is applied to ensure the generated number is valid. It doesn’t authenticate the number with the issuing bank, but it ensures that the number can theoretically exist.

How to Use

  1. Select Card Type: Choose the card provider for which you want to generate the number.
  2. Set Parameters: Adjust the expiration date, CVV, etc., if necessary.
  3. Generate: Click the generate button to create the number.
  4. Use in Test Environment: Utilize the generated numbers in your payment gateway’s test or sandbox environment.

Credit Card Number Generator

Please select card type to get credit card number.
  • Visa
  • Master Card
  • American Express
  • Discover
  • JCB
  • Diners

Credit Card Generator Tool

Credit Card Number Validator

Please credit card number to validate.
  • Visa
  • Master Card
  • American Express
  • Discover
  • JCB
  • Diners

Credit Card Validator Tool


  1. Not for Fraudulent Purposes: These numbers are for testing only and cannot be used for real transactions or fraudulent activities.
  2. Not Always Representative of Real Scenarios: While useful for basic testing, generated numbers may not cover all edge cases encountered with real card numbers.


Credit Card Number Generators are vital tools for developers working on payment gateway integrations. By providing valid, but non-functional credit card numbers, they allow safe and efficient testing of payment processing systems. Users must ensure that these tools are used responsibly and in accordance with legal requirements.


Always use legitimate and reputable tools for generating test credit card numbers. Many payment processors offer their own sandbox environments with test card numbers, ensuring full compatibility with their systems. Always refer to your payment gateway’s documentation for the correct testing procedures.

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