iValidCard

Check any credit or debit card number in seconds, and see exactly why it passes or fails. iValidCard works entirely offline: card numbers never leave your device. VALIDATE • Instantly detects the card network, from Visa, Mastercard and American Express to UnionPay, RuPay, Mir, Elo and more • Shows the issuer, industry (MII), IIN, length and check digit • Explains the Luhn checksum digit by digit • Suggests the correct check digit when a number fails, and fixes it with one tap • Scan a card with the camera, paste, or type GENERATE • Create valid test numbers for 13 card networks • Copy one or all, with or without spaces HISTORY • Your last 50 checks, masked and kept only on this device IVALIDCARD PRO (one-time purchase) • Test Cards: 158 sandbox cards from 11 payment providers, including Stripe, PayPal, Adyen, Braintree and Checkout.com, with each provider's rules • Bulk Validate: check up to 500 numbers at once and export the results • Advanced generator: custom prefix and length, expiry dates, security codes and names, up to 50 at a time • Export generated cards as CSV, JSON or text Also on Apple Watch and Mac, with keyboard shortcuts on iPad and Mac. iValidCard checks whether a number is well formed. It doesn't check whether an account exists or has funds, and it isn't affiliated with any card network or bank. Generated numbers are for testing only.