Our Luhn algorithm calculator can test a number with Luhn validation and find the check digit for a given number. This tool has different applications such as: Gift card number generator 🎁; Credit card number
Luhn algorithm German computer scientist Hans Peter Luhn developed the Luhn algorithm in 1954. It calculates simple checksum formula used to validate identification numbers such as credit card numbers. The algorithm was designed to protect against accidental errors, such as digit mistyping. It will det...