Credit Card Generator
Generate fake credit card numbers with optional expiration dates and security codes for software testing and form validation.
Run tool
Credit Card Generator produces dummy card numbers designed for software testing, checkout form validation, and development environments. You can choose a specific payment network or let the tool pick randomly across Visa, Mastercard, American Express, Discover, and Visa Electron. Each generated record includes appropriate prefixes and valid Luhn check digits, with 16 digits for most networks and 15 digits for American Express. When additional details are enabled, the output also provides formatted card groups, expiration months and years, and a 3-digit security code. The tool supports generating between 1 and 20 card entries in a single request. If you provide an unrecognized card network, the generator automatically selects a random supported type. These synthetic numbers are created exclusively for testing interface layouts, input masks, and validation routines; they do not represent real payment accounts and cannot process transactions or authorize purchases.
Instructions
- Select the number of card records to generate, between 1 and 20.
- Choose a specific card brand or leave the selection on Random.
- Toggle Include Details if you need expiration dates, security codes, and formatted number groupings.
- Run the generator to display the list of synthetic card records.
- Copy the generated numbers or details into your testing environment.
Examples
- Generate 3 random cards with complete details to test a multi-card checkout flow in a staging environment.
- Generate 1 Visa card number without additional details to verify client-side Luhn algorithm validation on a signup form.
- Generate 5 American Express cards with expiration dates and CVVs to test 15-digit card number input masking.
FAQ
Can I use these card numbers to make actual purchases?
No. All numbers generated by this tool are synthetic dummy values created purely for software testing and validation. They do not connect to real bank accounts and cannot authorize transactions.
Do the generated card numbers pass the Luhn algorithm check?
Yes. Each generated number includes a properly calculated Luhn check digit matching the standard check formula for payment card structures.
How many card numbers can I generate at once?
You can generate between 1 and 20 card records per execution. If an invalid count is entered, the tool defaults to generating 1 card.
Which card networks are supported?
The generator supports Visa, Mastercard, American Express, Discover, and Visa Electron, as well as a random selection mode.