With this free application you can validate credit cards numbers and extract useful data from them. The Luhn algorithm or Luhn formula, also known as the "modulus 10" or "mod 10" algorithm, is a simple checksum formula used to validate a variety of identification numbers, such as credit card numbers, IMEI numbers, National Provider Identifier numbers in US and Canadian Social Insurance Numbers.
Supported card types:
- Travel and entertainment
- Banking and financial
- Merchandizing and banking
- Healthcare and telecommunications
- National assignment
- American Express
- Diners Club International
- China UnionPay
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Code improvements and re-factoring.