IBAN Validator & Formatter
Validate IBANs with the mod-97 checksum and country length rules.
IBANs
One IBAN per line — spaces and dashes are ignored
Validation
Checked against country length rules and the ISO 7064 mod-97 checksum
- ValidDE89 3704 0044 0532 0130 00
Country DE · check digits 89 · BBAN 370400440532013000
- ValidGB82 WEST 1234 5698 7654 32
Country GB · check digits 82 · BBAN WEST12345698765432
- ValidFR14 2004 1010 0505 0001 3M02 606
Country FR · check digits 14 · BBAN 20041010050500013M02606
- InvalidDE89 3704 0044 0532 0130 01
Checksum failed (mod-97 does not equal 1) — likely a typo.
About the IBAN Validator & Formatter
Paste one or many IBANs to check them against the ISO 13616 country length table and the ISO 7064 mod-97 checksum. Each result shows the country, check digits, BBAN and a clean four-character grouped format ready to copy.
Examples
German IBAN
DE89 3704 0044 0532 0130 00Output
Valid — country DE, check digits 89Keyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
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Frequently asked questions
Version 1.0.0 · Updated 2026-08-17 · Runs entirely in your browser