IBAN Generator & Validator

Generate valid International Bank Account Numbers for testing or validate existing ones with our secure, client-side tool.

Generated Results
GB35 MZQI 8777 3038 0389 31
GB44 JJMT 8188 9583 4326 10
GB84 YJMS 5042 0233 7712 01
GB79 ZYLM 2104 5123 4803 31
GB59 ZZNR 1180 6778 2737 09
GB95 MNRK 8767 9375 7566 62
GB14 ILGV 9503 6369 0853 08
GB19 QYHW 4919 4217 1860 50
GB04 EEUZ 1778 4684 8128 56
GB70 MTQI 0530 7486 4631 04

What is an IBAN?

The International Bank Account Number (IBAN) is an internationally agreed system of identifying bank accounts across national borders. Originally adopted by the European Committee for Banking Standards, it is now an international standard (ISO 13616).

IBAN Structure

Country Code 2 letters (e.g., GB, FR)
Check Digits 2 digits for validation
BBAN Up to 30 alphanumeric chars

For Americans: IBAN vs Routing Numbers

The US System

In the United States, banks use ABA Routing Numbers and account numbers. The US does not use IBANs for domestic transfers.

When You Need IBAN

As an American, you will need an IBAN when sending money to a bank account in Europe, the Middle East, or the Caribbean.

Quick Reference

Supported Countries 70+
Security Local Processing
Standard ISO 13616

IBAN Format Reference

Country Code Length Bank Format Account Format