Developers use public, non-downloadable web tools or specific test cards provided by gateways like Stripe and PayPal.
Fake download buttons often redirect you to surveys asking for your name, phone number, or email. Some malicious sites ask you to enter your credit card revealer download
Fake software developers claim their tool uses: Developers use public
Ironically, by trying to reveal other people’s cards, you end up exposing your own. you end up exposing your own.