Free Online Credit Card Number Generator (For Testing)

By Kamila

By Kamila

Kamila is an AI-based technical expert, author, and trainer with a Master’s degree in CRM. She has over 15 years of work experience in several top-notch IT companies. She has published more than 500 articles on various Software Testing Related Topics, Programming Languages, AI Concepts,…

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Updated August 2, 2025
Edited by Vijay

Edited by Vijay

I'm Vijay, and I've been working on this blog for the past 20+ years! I’ve been in the IT industry for more than 20 years now. I completed my graduation in B.E. Computer Science from a reputed Pune university and then started my career in…

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Use this free online tool to generate random fake credit card numbers for your testing purposes.

Credit Card Generator

Generate valid test credit card numbers for development and testing

Important Disclaimer

These are TEST credit card numbers only! They are mathematically valid but completely fake and cannot be used for real transactions. Use these numbers only for testing, development, and educational purposes.


How to Use This Credit Card Number Generator?

Here are a few simple steps:

  1. Select Card Type from the dropdown option: Choose the card type that you want to generate test numbers for, e.g. Visa, Mastercard, American Express, Discover, Maestro, or JCB from the dropdown menu.
  2. Click on the ‘Generate Cards’ button: to create a maximum of 4 valid test credit card numbers for your selected card type.
  3. Check Details: Each test card shows these fields: Card Type, Card Number, CVV, and Expiry Date in MM/YY format.
  4. Use of the ‘Copy Number’: You can copy the card number without spaces to the clipboard using this button. Only the card number is copied to the clipboard.

What is the Data Source for this Test Credit Card Generator Utility?

What is the Data Source & Generation Method to generate these fake credit card numbers for testing purposes?

We do not use any external database: 

  • We do NOT pull from any external database
  • We do NOT use real credit card data
  • We do NOT have access to any financial institutions
  • Everything is generated algorithmically in your browser only

How are these Test Credit Card Numbers Generated?

We use:

  1. Test Prefixes Only: Below are the industry-standard TEST prefixes: These prefixes are officially designated for testing. Stripe and PayPal also use this test range for testing purposes.
    • Visa: 4000, 4111, 4222, etc. – Well-known common test prefixes
    • Mastercard: 5100-5500 series (test range cards)
    • Amex: 3400, 3700 (prefixes for test cards)
    • These are specifically designated for testing purposes only
  2. Luhn Check Digit: We calculate the final digit using Luhn algorithm for validating these cards mathematically.
  3. Random CVV & Expiry: Completely random CVV number is generated. Expiry dates are randomly set from future dates.

What will happen if these are used for real transactions?

  • These test cards will be rejected by payment gateways
  • There is no magnetic stripe data for these test numbers
  • These will be rejected as invalid or test cards
  • Different payment processors can identify that these are test cards

NOTE – This utility strictly generates random, fake, and test-purpose credit card numbers, however, it might not always be 100% accurate. In case of a large number of transactions, you can contact the issuing banks and verify before making the transaction.

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