Are all the generated numbers Luhn testable?

Yes. Each number that is generated is validated to meet Luhn requirements based on its card-type prefix and length

Can I copy or export the numbers?

Yes—copy individual numbers or save all results as a CSV file so you can seamlessly integrate into your test procedures or QA systems.

Can these numbers simulate transaction behavior (e.g., approvals/errors)?

No—just. valid-format placeholders. For sandbox simulations (e.g., rejected responses), employ your payment gateway's official test cards—like Windcave's Visa test number 4111 1111 1111 1111

Why do test card numbers remain in development?

They allow form validation, card-type identification, and luhn-checking logic testing without using sensitive real-world data—critical factors for satisfying PCI standards

Can they be used in production or in real payments?

No! These are imaginary cards and should never be utilized for actual transactions. It is illegal to use them fraudulently.

QELab

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Generate Credit Card

Credit card numbers are used for payment transactions. This generator creates test numbers for various networks like Visa, Mastercard, and RuPay, complete with CVV and expiry dates for testing purposes.

About Credit Card

Generate test card numbers for various networks.

Features

Generate valid Credit Card numbers that pass official validation
Bulk generation for testing multiple scenarios
CSV export for easy integration with test suites
Real-time validation with detailed error messages
Support for multiple formats and variations

Note: JavaScript is required to use the generation tool. The interactive form will load once JavaScript is enabled.

How to Use

Enter the number of Credit Cards you need
Configure any additional options (state, country, etc.)
Click the generate button
Copy results or download as CSV

Example Format

4111 1111 1111 1111

All generated Credit Cards follow official formatting standards.

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Frequently Asked Questions

Common questions about Credit Card generation.

What card networks do you support?

You can generate valid-format, Luhn-compliant card numbers for: - Visa - Mastercard - American Express - Discover - China UnionPay - RuPay (Indian domestic network)

Are generated card numbers real?

No—have proper format rules and a valid Luhn check digit, but aren't actual and cannot be used in real transactions or associated with actual bank accounts

What format and prefix rules do you follow?

- Visa: Start with '4', 13–19 digits length (usually 16) - Mastercard: Start with '51'–'55' or '2221'–'2720', 16 digits - American Express: Start with '34' or '37', 15 digits - Discover: Start with '6011', ranges '622126–622925', '644–649', or '65', 16 digits - China UnionPay: Start with '62' (or '81' for certain international cards), 16–19 digits - RuPay: Start with '60', '65', '81', '82', 16 digits

What is the Luhn algorithm and why is it used?

It's a checksum formula (also referred to as Mod‑10) to verify payment card number format. It detects the majority of input errors like typos and transpositions

Can I generate many card numbers?

Yes! Generate 1 through 100 numbers in bulk—perfect for databases, payment form stress testing, and emulating multiple card-types.