IBAN Validator

Validate, check or verify any IBAN in seconds: confirm the length, country format and check digits are correct, and see the bank code, account number and — for German accounts — the BIC and bank name.

Check whether an IBAN is correct before you trust it or send money. This IBAN validator confirms the country length, the account structure and the MOD-97 check digit, then reads back the bank code and account number. For German IBANs it also shows the BIC and bank name.

Read the guide: How to Check if an IBAN Is Valid

IBAN to check

Spaces and lower case are fine.

This is a valid IBAN.
  • Country DE uses IBAN.
  • Correct length for DE.
  • IBAN check digits are correct.
IBAN
DE89 3704 0044 0532 0130 00
Bank code
37040044
Account number
0532013000

How it works

  1. 1

    Paste the IBAN

    Type or paste any IBAN. Spaces and lower case are fine — they are cleaned up automatically.

  2. 2

    Read the checks

    Each check shows a tick or a cross: country length, bank code, account checksum and the IBAN check digits.

  3. 3

    Copy the details

    For a valid IBAN you can copy the formatted IBAN or, where available, the BIC.

Instant & 100% private — nothing is uploaded

Every calculation runs locally in your browser. The income, balances and goals you enter stay on your own device and are never sent to a server — nothing is stored, logged or shared.

Frequently asked questions

How do I check if an IBAN is valid?
Paste the IBAN above. The tool instantly checks its length, country format and the mod-97 check digit, showing a tick or a cross for each. If every check passes, the IBAN is valid.
What does the IBAN check digit prove?
It is a mod-97 checksum over the whole IBAN. If it matches, the IBAN has no typo in any character. It does not prove the account exists, only that the number is internally consistent.
Why is there no BIC for my IBAN?
The bank name and BIC are shown for German accounts, where an official free bank directory is available. For other countries the IBAN is still fully validated, but a BIC is not shown.

Important

For information and planning only — not financial, tax or legal advice. These figures are estimates; rates, fees and rules vary, so confirm anything that affects a real decision with a qualified professional or the official source.

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