Validate Swiss & Liechtenstein IBAN numbers in Google Sheets™. Free custom functions: =IBAN_VALID(), =IBAN_FORMAT(), =IBAN_BANK().
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Listing updated:February 19, 2026
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Overview
Swiss IBAN Validator lets you validate Swiss and Liechtenstein IBAN numbers directly in Google Sheets™. Use =IBAN_VALID("CH...") to check validity, =IBAN_FORMAT() to add spaces, and =IBAN_BANK() to identify the bank (UBS, Raiffeisen, PostFinance, etc.). Select cells and validate in bulk with color-coded results. Free, no ads, by ERPLight - Swiss invoicing software.

Google Sheets™ is a trademark of Google LLC.
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PricingFree of charge
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Swiss IBAN Validator will ask for the permissions shown below. Learn more
Swiss IBAN Validator will need access to your Google account
This will allow Swiss IBAN Validator to :
View and manage spreadsheets that this application has been installed in
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
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