Check Your IBAN
Enter your IBAN below to check its structure instantly.
What is an IBAN?
An IBAN (International Bank Account Number) is a standardized format used to identify bank accounts across borders. It ensures payments are sent to the correct account by including key details like the country code, check digits, bank identifier, and account number.
What Does Our IBAN Checker Do?
This free IBAN checker tool is designed to validate IBAN numbers, verify IBAN structure, and check digit accuracy for accounts across over 100 countries.
- IBAN structure validation
- Country-specific IBAN checks
- Check digit verification
- Confirming correct IBAN length
Note: This tool validates IBAN structure only. It does not verify account ownership or existence.
How IBAN Validation Works
This validation process confirms whether your IBAN follows international formatting rules and can help you avoid failed transfers due to incorrect IBAN digits.
- Moves the first 4 characters to the end
- Converts letters to numbers (A=10, B=11… Z=35)
- Performs a modulo 97 check — a valid IBAN always gives remainder 1
Common Uses for IBANs
- Sending and receiving international payments
- Bank transfers within SEPA and Europe
- Avoiding failed or delayed payments due to incorrect IBAN formatting
If you’re sending money abroad, using the right IBAN is critical.
When Do You Need an IBAN?
You’ll need an IBAN if you’re making or receiving an international payment—especially within Europe or SEPA countries. Domestic UK payments typically don’t require one, but international banks often will.
Common IBAN Questions Answered
How can I check if an IBAN is valid?
Use our IBAN validation tool above. Paste your IBAN and click “Check”. We’ll verify its structure, format, and check digits.
Where do I find my IBAN number?
Your bank statement, online banking dashboard, or mobile banking app will show it. UK banks like NatWest and Barclays display IBANs under account details.
How long does an IBAN transfer take?
Typically 1–3 business days for SEPA transfers. International payments may take longer.
Can I check who owns an IBAN?
No, ownership verification requires bank-level access. This tool checks format only.
What if I enter the wrong IBAN?
If the structure is incorrect, the transfer may fail. If it’s valid but belongs to someone else, funds may go to the wrong person. Always double-check.
IBAN vs SWIFT: What’s the Difference?
IBAN and SWIFT codes are both used in international banking, but they serve different purposes. Here’s a quick comparison:
Avoid These IBAN Mistakes
- Typos – Always copy & paste IBANs where possible.
- Incorrect Format – Enter the IBAN as a continuous string (no spaces).
- Missing Details – Some banks may need additional information for international transfers.
Send Money Using an IBAN
Speak with your bank or a financial provider before making a payment. Always verify the IBAN with the recipient.