TopToolAIIBAN Validator
Checks an IBAN (International Bank Account Number) against its checksum (the standard MOD-97 check) and format. This validates the number's structure only — it does not verify that the account exists.
How to use IBAN Validator
Step-by-step guide to the boxes below. Open it only if you need help.
How to use IBAN Validator
Step-by-step guide to the boxes below. Open it only if you need help.
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1
IBAN Text
Type the full IBAN with the country code at the start. It checks the format and check digits only, not whether the account exists.
Example: GB29 NWBK 6016 1331 9268 19
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2
Press “Validate”
Click the button under the boxes. If something is missing or not valid, a short message tells you which box to fix.
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3
Read your result
Your answer appears under the button, with a short note in plain words where it helps. Change any box and press again to compare different numbers.
IBAN Validator FAQs
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