Add an IBAN input mask and IBAN validation to your Gravity Form.
As of April 2026, Gravity Forms IBAN is a WordPress iban plugin with 500 active installations and a 5/5 rating from 5 reviews. It has been downloaded 5.4K+ times in total. Requires WordPress 3.8+ and PHP false+. Available on WordPress.org since 2015. Last updated 10 years ago — may have compatibility concerns. Top alternative: IBAN for WPForms.
This plugin adds an new IBAN mask to the built-in input masks of Gravity Forms.
Add this mask to any text field to enforce valid IBAN account numbers in your form.
This plugin uses the php-iban library to validate IBAN account numbers.
| WordPress | 3.8+ requiredTested up to 4.2.39 |
| PHP | false+ required |
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