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New customer? Register below

Voer uw gebruikersnaam en wachtwoord hier in om in te loggen op de website:

Welcome to the Premium Version of the IBAN Calculator!

If you're looking for the free-to-use, ad-supported version, visit

New customers can register below. Returning customers can find log-in boxes above and to the right.

Register Here

You will receive a small portion of calculation points for a free trial.

  • Please enter a single word without special characters.

  • To make sure only real people register (and not automated spamming machines), please copy the text from the image.

  • We will send you an activation link and thus verify this address.

For corporate clients / banks:

  • Mass Calculations: Calculate or validate thousands of IBANs in one step. Export your data into the XLS (Excel) or CSV format, upload the file, and wait a few minutes.
  • SOAP Web Service: Integrate the IBAN calculator into your own processes, or perform mass calculations without the formatting problems that sometimes occur with the CSV/XLS method.
  • Data: if you'd rather use your own software, but want to benefit from our data collection service, please consider our data subscription.

register here →