This free IBAN Validator helps you instantly verify International Bank Account Numbers by checking their format, length, and checksum according to the ISO 13616 standard. Whether you’re sending international payments or integrating with financial systems, this tool ensures your IBANs are structurally correct and ready for use—minimizing failed transactions and enhancing payment accuracy.
What Is an IBAN?
An IBAN (International Bank Account Number) is a standardized format used to identify bank accounts across countries. It includes a country code, check digits, and a Basic Bank Account Number (BBAN). This system is crucial for international payments, ensuring funds reach the correct recipient without errors.
How Our IBAN Validator Works
- Structure Check: Validates country-specific format and character layout.
- Length Validation: Ensures the IBAN matches expected length for its country.
- Checksum Verification: Uses to confirm internal check digits.
- BBAN Check (if supported): Validates the local account number checksum.
Example IBAN Formats
Here are some valid IBAN examples by country:
- United Kingdom: GB33BUKB20201555555555
- Germany: DE75512108001245126199
- France: FR7630006000011234567890189
Common IBAN Validation Issues
Common issues include:
- Incorrect country code
- Wrong number of characters
- Invalid checksum digits
- Formatting with extra spaces
Always copy IBANs directly from bank portals to reduce errors.
Supported Countries & SEPA
Our validator supports 116+ countries and their specific formats. It also supports SEPA schemes like:
- SCT – SEPA Credit Transfer
- SDD – SEPA Direct Debit
- SCT Inst – Instant Credit Transfers
Frequently Asked Questions (FAQ)
What is a valid IBAN?
A valid IBAN has the correct length, structure, and checksum based on its country’s specification. It passes MOD97 validation and follows ISO 13616 standards.
How do I find my IBAN?
You can typically find your IBAN on your bank statement, online banking account, or by contacting your bank directly.
Can an IBAN be valid but still wrong?
Yes. An IBAN can be structurally valid but still point to the wrong account. Always confirm with the recipient.
What happens if I use an invalid IBAN?
If you enter an invalid IBAN, your bank may reject the transfer or charge you for a failed transaction.
Is it safe to validate IBANs online?
Yes. Our tool performs only structural checks and does not store or misuse your data.
References
- SWIFT : : IBAN Structure (2023) )2023( via SWIFT Internationalhttps://www.swift.com/standards/data-standards/iban
- International Organization for Standardization : : ISO 13616:2020 (2020) )2020( via ISOhttps://www.iso.org/standard/81090.html