DE89 3704 0044 0532 0130 00
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(Documentation in English)
What it does
The IBAN Validator checks an International Bank Account Number against the ISO 13616 mod-97 checksumchecksumA short digest computed from a block of data, compared after transfer or storage to detect corruption. Changing one bit changes the checksum.
How to use it
- Paste an IBAN into the IBAN field (spaces, dashes, and lowercase are normalized automatically).
- Read the Country, Length (actual vs. expected),
ChecksumChecksumA short digest computed from a block of data, compared after transfer or storage to detect corruption. Changing one bit changes the checksum.
, and Valid indicators. - Copy the formatted IBAN if needed.
Examples
Valid German IBAN
Input: DE89 3704 0044 0532 0130 00 → Country DE,
ChecksumChecksumA short digest computed from a block of data, compared after transfer or storage to detect corruption. Changing one bit changes the checksum.
Pass, Valid Yes, formattedDE89 3704 0044 0532 0130 00.
Bad checksumchecksumA short digest computed from a block of data, compared after transfer or storage to detect corruption. Changing one bit changes the checksum.
Input: DE89 3704 0044 0532 0130 01 →
ChecksumChecksumA short digest computed from a block of data, compared after transfer or storage to detect corruption. Changing one bit changes the checksum.
Fail, Valid No.Good to know
- Private: all checks are local.
ChecksumChecksumA short digest computed from a block of data, compared after transfer or storage to detect corruption. Changing one bit changes the checksum.
≠ account exists: mod-97 validates the structure, not that the account is open.- Related tools: Credit Card Validator,
HashHashA one-way function that maps data of any size to a fixed-length digest. Same input, same digest; any change, different digest; not reversible.
Type Identifier.