IBAN Validator
IBAN Validator is a free online validator that helps you validate an IBAN; checks the country format, length and ISO 13616 MOD-97 checksum. IBAN Validator uses 1 input field, returns 6 output values, and runs in your browser on the device.
Key facts
- Inputs
- 1 field: IBAN
- Outputs
- 6 values: Valid, Country, Length (expected vs actual), Bank code, Account number, and Printable format
- Runtime
- your browser on the device
- Mode
- Validator
- Privacy
- Files and text stay in the browser session.
- Cost
- $0, no account required
How to use IBAN Validator
- 1
Paste or fill in the input
Enter your text or values into the input fields on the page.
- 2
Run the utility
Click Compute to run the utility in your browser and review the result.
- 3
Copy the output
Copy the output value you need from the result panel.
IBAN Validator details
First, enter IBAN in IBAN Validator. Next, review Valid, Country, Length (expected vs actual), Bank code, Account number, and Printable format. Additionally, IBAN Validator uses 1 input field and 6 output blocks so the result is easy to scan and copy.
Paste any International Bank Account Number (IBAN) and verify it: the country prefix is matched against the ISO 13616 registry (~80 countries), the length is checked against the spec for that country, and the MOD-97 checksum is computed digit-by-digit using big-integer chunked arithmetic. The bank code and account number are extracted per the country's BBAN layout. Useful for finance teams verifying invoices, backend engineers wiring up SEPA payouts, and customer-support agents triaging failed transfers. Runs entirely in your browser; your data is never sent anywhere.
Common searches
- iban validator
- iban check
- iban checker
- validate iban
- iban verify
- iban mod 97
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Frequently asked
What is IBAN Validator?
IBAN Validator is a free online validator that helps you validate an IBAN; checks the country format, length and ISO 13616 MOD-97 checksum. IBAN Validator uses 1 input field, returns 6 output values, and runs in your browser on the device.
What inputs and outputs does IBAN Validator use?
IBAN Validator uses 1 input field: IBAN. IBAN Validator returns 6 output values: Valid, Country, Length (expected vs actual), Bank code, Account number, and Printable format.
Do my files and data stay private?
Yes. IBAN Validator runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How do I use IBAN Validator?
Open IBAN Validator, paste or fill in the input fields, and the result updates instantly. IBAN Validator runs in your browser with no upload and no waiting.
Which browsers does IBAN Validator support?
Any modern browser works in Chrome, Firefox, Safari, and Edge on desktop and mobile. IBAN Validator uses standard web APIs and does not require any plugin, extension, or sign-up.