Account Number Checker
Check a German bank account number against its bank's official check-digit method, so you can catch a typo before sending money.
Confirm a German account number (Kontonummer) before you send a payment. Enter the bank code (Bankleitzahl) and the account number, and the tool applies that bank’s official Bundesbank check-digit method to flag a likely typo.
Read the guide: How to Check a German Bank Account NumberGerman account
How it works
- 1
Enter the bank code
Type the eight-digit Bankleitzahl. Its check-digit method is looked up automatically.
- 2
Enter the account number
Add the account number (Kontonummer) you want to verify.
- 3
Read the result
You get a clear pass or fail, or a note if the bank uses a method not yet covered.
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
- What does a pass mean?
- The account number's built-in check digit is consistent with the bank's method, so it is very unlikely to contain a typo. It does not confirm the account is open.
- Why does it sometimes say the method is not covered?
- German banks use many different check-digit methods. The common ones are supported; for the rest the tool says so honestly rather than guessing a result.
- Does this work for non-German accounts?
- Not yet, because account-number check digits are country specific. German accounts are covered; the IBAN validator works for every country.
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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