Fake Credit Card Generator
Generate test credit card numbers for development and testing purposes with valid formats
These credit card numbers are for testing purposes only and cannot be used for real transactions
Generated Cards
How It Works
Test Numbers
Generated Cards
About Test Credit Card Numbers
This tool generates valid credit card numbers that follow the correct format for different card types, but are not real cards that can be used for actual transactions.
Key Features
- Valid Formats: Numbers follow the correct length and prefix patterns for each card type
- Luhn Algorithm: All numbers pass the Luhn check (mod 10 algorithm)
- Testing Purposes: For use in development, testing, and validation scenarios
- No Real Value: These numbers cannot be used for actual purchases
When to Use Test Cards
- Testing payment processing systems
- Developing e-commerce applications
- Validating credit card form inputs
- Demonstrating payment flows
- Education and training purposes
// Example: Validate a credit card number with Luhn algorithm
function isValidCreditCard(number) {
// Remove all non-digit characters
number = number.replace(/\D/g, '');
// Check if empty or not all digits
if (!number || !/^\d+$/.test(number)) return false;
let sum = 0;
let alternate = false;
for (let i = number.length - 1; i >= 0; i--) {
let digit = parseInt(number.charAt(i), 10);
if (alternate) {
digit *= 2;
if (digit > 9) {
digit = (digit % 10) + 1;
}
}
sum += digit;
alternate = !alternate;
}
return (sum % 10) === 0;
}
Standard Test Card Numbers
These are commonly used test card numbers that work with many payment processors in test mode.
Visa
4111 1111 1111 1111
Mastercard
5555 5555 5555 4444
American Express
3782 822463 10005
Discover
6011 1111 1111 1117
JCB
3530 1113 3330 0000
Diners Club
3056 9309 0259 04
Special Test Cards
- Visa (debit): 4000 0500 0000 0003
- Mastercard (2-series): 2223 0000 4841 0010
- Success card: 4242 4242 4242 4242 (always succeeds in test mode)
- Decline card: 4000 0000 0000 0002 (always declines in test mode)
- Fraud card: 4000 0000 0000 0259 (marks as fraudulent)
Security & Legal Considerations
- Not Real Cards: These numbers cannot be used for actual purchases or transactions
- Testing Only: Intended solely for development and testing purposes
- PCI Compliance: Even with test numbers, ensure your systems follow PCI DSS guidelines
- No Personal Data: These cards are not associated with any real individuals or accounts
- Fraud Prevention: Never use real credit card numbers in development environments
Card Number Formats
- Visa: Starts with 4, 13 or 16 digits
- Mastercard: Starts with 51-55 or 2221-2720, 16 digits
- American Express: Starts with 34 or 37, 15 digits
- Discover: Starts with 6011, 644-649, or 65, 16 digits
- JCB: Starts with 3528-3589, 16 digits
- Diners Club: Starts with 300-305, 36, or 38-39, 14 digits
- Maestro: Starts with 5018, 5020, 5038, 5893, 6304, 6759, 6761, 6762, 6763, 16-19 digits
- UnionPay: Starts with 62, 16-19 digits