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The Credit Card Number Generator is a dynamic tool engineered to generate random, yet valid, credit card numbers for testing and verification purposes. It ensures that the generated numbers comply with the structure and validation conditions of actual credit card numbers by adhering to the Luhn Algorithm, a universal standard for credit card number validation. This algorithm involves doubling the value of every second digit from the right, adding the resulting digits if the double is a two-digit number, then summing all digits, and finally, confirming that the total is a multiple of 10 for the number to be considered valid.

In addition to conforming to the Luhn check, the generated credit card numbers also mimic the authentic structure of card numbers. The breakdown of the structure is as follows:

Component Description
Major Industry Identifier (MII) The first digit signifies the broad industry category of the purported issuing entity.
Issuer Identification Number (IIN) The initial six digits, inclusive of the MII. This represents the institution that purportedly issued the card. For example, a supposed Visa-issued card starts with a 4, Mastercard with a 5, Amex with 34 or 37.
Personal Account Number This identifier, from the 7th digit to the second-last digit, is unique and randomly generated for every card.
Check Digit The final digit, calculated via the Luhn Algorithm, ensures the card number passes validity checks.

While these credit card numbers are mathematically valid, they do not correspond to real accounts and are not intended for fraudulent activities. The Credit Card Number Generator is designed exclusively for testing and validation procedures in secure development environments. Always adhere to ethical and legal practices when using this tool. Remember, using generated numbers for fraudulent activities is illegal and punishable by law.

The user interface for this tool is straightforward. After selecting the type of card to be generated, simply click the "Generate" button to produce a valid credit card number. The "Export to CSV" button allows you to export the history of generated numbers to a CSV file for future reference.

Embed this tool into your website using the following code: