Validate an IBAN online — check the country, length and mod-97 checksum, and break out the bank details.
Validate an International Bank Account Number: confirm the country is supported, the length is right and the ISO 7064 mod-97 checksum holds, then see the bank, branch and account parts where known. Runs entirely in your browser.
The right length for its country and a passing mod-97 checksum on the rearranged digits. This catches transposed and mistyped characters before a payment fails.
No — it means the number is well-formed. Only the bank can confirm the account is real and open.
All 79 IBAN-registry countries, each with its official length and, for many, bank/branch/account decomposition.
See the exact length, structure and a valid example IBAN for any country: