How to Generate Credit Card Numbers

February 5, 2013 at 1:00 am 17 comments

By Chad Upton | Editor

First of all, I don’t want anyone to get the wrong idea; although the credit card numbers you generate are valid, they’re not active and aren’t for making (fraudulent) purchases.

So, what’s the point?

red amex

Just like you may use a junk email address to sign up for special offers, you may want a junk credit card number too. That’s because free things are rarely ever free and that’s especially true of free trials.

Companies frequently offer “free” trials in exchange for your billing info. They’re betting against you — hoping you’ll forget to cancel your subscription so they can get some money out of you for at least one month, maybe a couple months if it’s only a few bucks and you’re too busy to cancel at the moment you notice the charge. Then you’ll probably forget about it until you see it again next month.

There are lots of great websites out there that require subscriptions and I think you should pay for and support the ones you use and enjoy. But, before you know if it’s a newspaper you enjoy, you may want to test drive their free trial and a generated credit card number can help you cut the strings and keep you safe from fake sites looking to capture your personal info.

credit card numbers

I know what you’re thinking, “How can I generate a credit card number, isn’t that something only the credit card company can do?”

Credit card numbers are generated based on a formula. A valid number is simply a number that conforms to a validation algorithm; they use check digits like we saw with UPC Barcodes.

An active number is a card number that conforms to this algorithm and is currently issued to a customer. While it’s technically possible that you could generate a number that is currently issued to a customer, it’s very unlikely since there are trillions of possible numbers. The odds are far greater that you’d win the lottery and of course those odds are very slim to begin with. Also, you don’t have the correct billing info for the customer, so a charge would never be approved anyway.

For free trials, you don’t need an active number since it never needs to be charged during the free trial period. You just need a number that is valid according to the algorithm so you can create a trial account at the new website you want to try.

You won’t be able to use these numbers for purchases because you’re missing critical information such as the: expiration date, CVV number, billing name, address and phone number. If a site is asking for this info for your generated card, you can make it up. The site won’t know it’s invalid unless they attempt to charge the card, and then a generated number is of no use to you anyway.

If you google around, you can find lists of “test credit card numbers” but chances are really good that these numbers have been used on most popular sites and they’re not going to work for you. To generate your own number, my favorite site is:

Happy interneting.

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Photo: Lee Nineteen68 (cc)

Sources: wikipedia (cvv),

Entry filed under: Demystified, Money. Tags: , , , .

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17 Comments Add your own

  • 1. Joe  |  August 27, 2013 at 2:08 pm

    Better yet use your bank to generate a ‘fake’ credit card number!

    Bank of America offers a service called ShopSafe in which you can request a credit card number that is linked back to your REAL credit card but has restrictions. You can choose from 2 to 12 month expiration limit. Money limit down to $1.00 and whether a merchant can use the card more than once. I use it for everything online and phone-in payments, etc.

  • 2. cortez  |  November 30, 2013 at 3:24 pm

    Wat yu mean by use ur bank

  • 3. Johnny  |  February 11, 2014 at 6:10 pm

    Does not work with netflix

  • 4. Rafay Hassan  |  March 21, 2014 at 6:31 am

    what about the CSC and expiration date?

  • […] How to Generate Credit Card Numbers | Broken Secrets – How to Generate Credit Card Numbers. February 5, 2013 at 1:00 am Chad Upton 4 comments. By Chad Upton | Editor. First of all, I don’t want anyone to get the wrong … […]

  • 6. How To Generate Credit Card Numbers | Technology Life  |  June 29, 2016 at 12:09 am

    […] How to Generate Credit Card Numbers | Broken Secrets – How to Generate Credit Card Numbers. February 5, 2013 at 1:00 am Chad Upton 5 comments. By Chad Upton | Editor. First of all, I don’t want anyone to get the wrong … […]

  • 7. Jonathan Thavorn Dam  |  June 3, 2017 at 11:08 pm

    I got numbers but no name

    • 8. Jordan  |  December 5, 2017 at 6:29 am

      Let’s trade I have some also

  • 9. @christoryan  |  June 11, 2017 at 5:50 pm

    How do I take generate card numbers ( re-gens ) from a valid credit card? Do I use the same name as the original card? How about date and cvv?

  • 10. kitty  |  June 12, 2017 at 4:08 pm

    • 11. dee  |  June 28, 2019 at 7:14 pm

      what about codetime?

  • 12. ファリネ 解約  |  June 29, 2017 at 2:09 pm


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  • 14. Jordan  |  December 5, 2017 at 6:58 am

    Let’s trade I have some also

  • 15. слот машины онлайн  |  October 1, 2018 at 10:49 pm

    blog topic

  • 16. sen  |  August 13, 2019 at 1:48 pm

    please I want name and numbers pls

  • 17. Kandinsky  |  October 25, 2021 at 12:38 pm

    I have active real card numbers and Bank account information


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