Credit Card Type Detector

Identify card network and BIN from number prefix.

Detect credit card type from first digits instantly. Free Visa, Mastercard, Amex, Discover identifier.

Calculator Inputs

About Card Type

Identify card network and BIN from number prefix.

Matches common IIN prefixes against major card networks.

Where it is used

Checkout UI, payment QA.

How to use the Card Type

  1. Card Number — enter the value (e.g. 4111111111111111).
  2. Calculate — press the Calculate button to see the result instantly above.

Formula

First 1–6 digits match known IIN ranges.

Examples

Visa

number:4111111111111111
Result: Visa | BIN: 411111 | Digits: 16

Frequently Asked Questions

Does this validate the card?
No — it only detects the network. Use Luhn for checksum.