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Credit Card BIN / IIN Lookup

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Credit Card BIN / IIN Lookup

Enter the first 6-8 digits of any credit or debit card number to identify the card network, issuing bank, country of issuance, card type, and category. This tool also includes Luhn algorithm validation to check if a full card number has a valid format. Everything runs in your browser — no data is transmitted to any server.

كيف تستعمل

Enter the first 6-8 digits of a card number (the BIN or IIN) and click ابحث عن. The tool identifies the card network, issuing bank, country, and card type from a bundled database. Optionally, enter a full card number in the second field for Luhn check digit validation.

سمات

Card Network Detection – Identifies Visa, Mastercard, Amex, Discover, JCB, UnionPay, Maestro, and Diners Club from BIN prefix ranges
Issuing Bank Lookup – Curated database of major bank BINs covering Chase, Bank of America, Citi, Capital One, Barclays, HSBC, and more
Country Identification – Shows the country of issuance with flag emoji
Card Type & Category – Identifies credit, debit, or prepaid cards and category levels (Classic, Gold, Platinum, Business)
Luhn Validation – Verify any full card number’s check digit using the Luhn algorithm
Quick Examples – Pre-loaded BINs for Visa, Mastercard, Amex, Discover, and JCB
Privacy First – 100% client-side, no data transmitted, only first 6-8 digits used

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 التعليمات

What is a BIN or IIN number?

A BIN (Bank Identification Number) or IIN (Issuer Identification Number) is the first 6 to 8 digits of a payment card number. These digits identify the card network (Visa, Mastercard, etc.), the issuing bank or financial institution, and the card type. The industry has been transitioning from 6-digit to 8-digit BINs since 2022 to accommodate more issuers. The remaining digits of the card number identify the individual account and include a check digit.
Is it safe to enter card digits in this tool?

Yes. This tool runs entirely in your browser — no card data is sent to any server. Only the first 6-8 digits (the BIN/IIN) are needed for the lookup, and these digits alone cannot identify any individual account or be used for transactions. The BIN is public information assigned to banks by card networks. Even if you enter a full card number for Luhn validation, it is processed locally in JavaScript and never transmitted.
What is Luhn validation?

The Luhn algorithm (also called the mod-10 algorithm) is a checksum formula used to validate identification numbers, including credit card numbers. It works by doubling every second digit from right to left, subtracting 9 from results over 9, and summing all digits. If the total is divisible by 10, the number passes. This validates the number format — it catches accidental typos and random numbers but does not verify that the card account actually exists or has funds.