Fake Credit Card Number Generator
Randomly generated, Luhn-valid test numbers created in your browser for testing only. They do not belong to any real card or person.
What is Fake Credit Card Number Generator
This tool creates random test credit card numbers that pass the Luhn checksum, the same structural check payment processors run before a charge reaches a bank. Pick a network, Visa, Mastercard, American Express or Discover, and it builds a number with the correct prefix, length and check digit for that network. The numbers are generated entirely in your browser and are not linked to any real card, account or person.
How to use
- Choose a card network from the dropdown, Visa, Mastercard, American Express or Discover.
- Pick how many numbers you need, from 1 up to 50.
- Click Generate to create a fresh batch of test numbers.
- Copy a single number or use Copy all to grab the whole batch.
When to use it
Wiring up a checkout flow and need a batch of card numbers that actually pass validation before you start debugging your form? Pick Visa, generate ten numbers at once, and paste them straight into your test suite or a manual QA pass, every one clears the Luhn check on the first try. Useful for developers testing Stripe or PayPal sandboxes, QA engineers filling out checkout forms repeatedly, or anyone who needs placeholder numbers that won't trip a basic format validator.
Frequently asked questions
Can these numbers be used to make a real purchase?
No. They are mathematically valid under the Luhn algorithm and match a real network's prefix and length, but they are not issued by any bank and have no funds, expiry date or CVV tied to them. No payment processor will accept one for an actual transaction.
Why generate a card number instead of using a known test number like 4111111111111111?
Public test numbers work fine for a single manual check, but they get reused so often that some forms special-case them or a whole test suite ends up hammering the same value. Generating a fresh batch gives you unique numbers for bulk testing, load testing forms, or seeding a test database.
Does this tool store or send the generated numbers anywhere?
No. Every number is generated locally in your browser using client-side math. Nothing is transmitted to a server or saved beyond the current page session.
Is it legal to generate and use these numbers?
Generating Luhn-valid numbers for testing your own systems is legal and a normal part of software QA. Using any card number, generated or real, to attempt an actual purchase or to impersonate someone is fraud.
Related tools
Credit Card Number Validator
Validate a credit card number with the Luhn algorithm and detect the card network (Visa, Mastercard, Amex) instantly in your browser.
Barcode Generator
Generate EAN-13 or Code 128 barcodes online. Enter your number or text, download as SVG or PNG. Free, no signup needed.
Color Scheme Generator
Generate complementary, analogous, triadic, split-complementary, and tetradic color schemes from any base color. Free online color scheme generator.