Luxembourg IBAN Generator
Generate a test IBAN for Luxembourg — a 20-character IBAN with the correct BBAN structure and a genuine mod-97 check digit. Not tied to any real bank account. Runs entirely in your browser.
These IBANs are not real bank accounts. Each one passes the standard mod-97 checksum every real IBAN uses, so format validators accept it, but it isn't tied to any bank or funds.
IBAN format for Luxembourg
A Luxembourg IBAN is 20 characters long: the LU country code, 2 check digits, then a BBAN made up of 3 digits, then 13 alphanumeric characters. Laid out in the standard four-character grouping, it looks like:
LUkk nnnc cccc cccc cccc
k = check digit, n = digit, a = letter, c = digit or letter.
Every Luxembourg IBAN this tool generates passes the same ISO 7064 mod-97 checksum real banking software checks first, but it isn't tied to any bank, branch, or account — no real transfer will succeed against it. Use it only for testing, demos, and development. See our IBAN generator hub for the full mod-97 walkthrough and every supported country.
Need a different country? Browse all 31 supported countries.
Fill forms without copy-pasting
The FormFiller extension fills bank and payment forms directly in the browser, so you don't have to copy a generated IBAN every time you test a flow. See our IBAN testing guide for more.
Frequently asked questions
How many characters does a Luxembourg IBAN have?
A Luxembourg IBAN is always 20 characters: the LU country code, 2 check digits, then a BBAN made up of 3 digits, then 13 alphanumeric characters.
Is a generated IBAN linked to a real bank account?
No. Every IBAN this tool produces is a randomly generated BBAN with a genuinely computed check digit — it is not tied to any bank, branch, or account, and no real transfer will succeed against it.
Can I use a generated IBAN to receive a real payment?
No. Passing the mod-97 checksum only proves the IBAN is structurally valid — it says nothing about whether the account exists. Use generated IBANs only for form testing, demos, and development, never for an actual transfer.