Don't use checker on cards, most checkers simply kills the cards.
If you want to check a debit/credit card use this : https://donate.wikimedia.org/
Enter a value of 1$ and then proceed with the billing info.
try it on google wallet create new gmail account and cc
if the system accept it its valid but to check wheter have balance nor not go to google play store buy apps worth 2$ im using this sometimes
4003448540491768 02/14 924 Carmel B Bruno 1634 West 6th Street #2 Brooklyn New York 11223 United States
4003442605768392 12/13 819 Lynne M Coluccio 85 Varnum St. Arlington Massachusetts 02474 United States
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4046460298443254 09/15 800 Starshene Davis 3415 Chalfont Drive Richmond VA 23224 United States
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