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Credit Card Validator

Validate credit card numbers using Luhn algorithm

Credit Card Validator

Validate credit card numbers using the Luhn algorithm

Card Number

Enter 13-19 digit card number (spaces optional)

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Security Notice: This tool validates card number format only using the Luhn algorithm. It does NOT store, transmit, or process any card data. Never share your real card details online.

Supported Card Types

Visa

Starts with 4

13 or 16 digits

MasterCard

51-55 or 2221-2720

16 digits

Amex

34 or 37

15 digits

Discover

6011, 644-649, 65

16 digits

Diners Club

36, 38, 300-305

14 digits

JCB

3528-3589

16 digits

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