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Credit Card Number Generator empowers quality-assurance teams, payment-gateway developers, and cybersecurity researchers to fabricate Luhn-compliant card numbers in seconds. By supporting major schemes such as Visa, MasterCard, American Express, Discover, Diners Club, and JCB, the tool facilitates realistic end-to-end sandbox testing without exposing live customer data or breaching network policies.
Every sequence produced is mathematically valid yet entirely fictional, ensuring compliance with PCI DSS sampling rules and anti-fraud legislation. You retain absolute control over generation parameters: specify a custom Bank Identification Number, determine precise output quantity, and export results to CSV for archival, integration, or automated regression pipelines that rely on deterministic, repeatable datasets.
Unlike simplistic list generators, this application calculates the correct check digit on the fly, stamps each entry with contextual metadata, and preserves your recent history so you may instantly recall, copy, or enrich prior outputs. Responsive design, accessible controls, and keyboard-only workflows streamline continuous-integration scenarios across desktops, tablets, and low-bandwidth laboratory environments.
The following technical outline details functional boundaries and implementation specifics.
| Card Scheme | Typical Prefixes | Length (digits) |
|---|---|---|
| Visa | 4 | 16 |
| American Express | 34, 37 | 15 |
| MasterCard | 51–55 | 16 |
| Discover | 6011, 65 | 16 |
| Diners Club | 300–305, 36, 38 | 14 |
| JCB | 35 | 16 |
// Example: generate five Discover numbers with a custom BIN
const app = window.__app__; // Vue instance exported globally
app.cardType = 'discover';
app.customBin = '601112';
app.quantity = 5;
app.generateNumbers(); // history now contains five Luhn-valid results
Follow these sequential actions to create and manage test numbers efficiently.
Answers to frequent queries appear below.
Yes—numbers are non-issued, mathematically valid only for laboratory use, and cannot authorise real transactions. Always adhere to local regulations.
The tool limits BIN length so the final number meets its scheme’s fixed digit count, ensuring every output remains Luhn-compliant.
Bookmark the page after generation—the query-string captures every parameter so subsequent visits recreate the same results.
Randomisation greatly reduces collision probability, yet uniqueness is not strictly enforced. Export immediately if deterministic sets are required.
No. CSV output contains only the synthetic card type label and numeric string—no cardholder names, expiry dates, or CVV values.
Consult this quick-reference matrix when unexpected behaviour occurs.
| Issue | Resolution |
|---|---|
| Generate button appears inactive | Ensure quantity is a positive integer and browser JavaScript is enabled. |
| Clipboard copy fails | Serve the page over HTTPS or use the legacy copy fallback in insecure contexts. |
| CSV downloads garbled characters | Open the file with UTF-8 encoding or import via a dedicated CSV wizard. |
| Custom BIN exceeds maximum length Critical | Shorten the BIN so the resulting number matches the scheme’s total length. |
| History panel overflows viewport | Scroll within the list area or clear older entries before additional batches. |
Enhance productivity with these expert techniques.
Key terminology used throughout this document is defined below.