Tool Hub

IBAN Validator

IBAN checksum (mod-97) + country length validation + BBAN extraction

Validation

Country

DE

Check digits

89

BBAN

370400440532013000

Length

22

Formatted

DE89 3704 0044 0532 0130 00

How to use

  1. Type or paste an IBAN into the input field.
  2. Read the success or error alert for the mod-97 checksum and country-length result.
  3. Review the detail table showing country code, check digits, BBAN, and expected length.
  4. Use the share button to send a pre-filled link to a colleague.

Examples

  • DE89 3704 0044 0532 0130 00 passes both mod-97 and the 22-character German length check.
  • An IBAN with the wrong length for its country prefix triggers an error citing the expected vs actual character count.

Verify outputs before using in production. No warranty — see Terms.