Test Credit Card Number Generator
Generate Luhn-valid fake card numbers for testing, not real purchases.
About this tool
These are fake numbers for software testing only — they cannot be used to buy anything. Generate Luhn-algorithm-valid card numbers matching a real network's numbering format (Visa, Mastercard, Amex, Discover, Diners Club, or JCB), for testing payment forms, validation logic, or QA scripts without risking a real card number.
A number passing this generator's Luhn check only means it's structurally valid — it is not linked to any real account, has no funds, and will be declined by any real payment processor. Everything is generated locally in your browser.
Frequently asked questions
- Can these numbers be used to make a real purchase?
- No. These numbers pass the same Luhn checksum real card numbers use, but they are not issued by any bank and aren't linked to a real account — any real payment gateway will reject them (or a sandbox/test gateway will treat them as intentionally fake test data).
- What is the Luhn algorithm?
- A simple checksum formula used to catch typos and detect obviously invalid card numbers — it's the same check this site's Credit Card Validator tool uses. Passing the Luhn check is necessary but nowhere near sufficient for a number to be a real, chargeable card.
- Why include a fake expiry date and CVV?
- Many payment form tests need all three fields filled in to exercise the full validation path. These are generated randomly and carry no meaning beyond matching the expected format.