IBAN Validator

Validate International Bank Account Numbers (IBAN) with format and checksum verification. View country, bank code, and account number breakdown.

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How to Use the IBAN Validator

  1. Enter or paste an IBAN in the input field.
  2. Click Validate to check the IBAN.
  3. View the breakdown of country, bank code, and account number.
  4. Copy the formatted IBAN with proper spacing.

What is an IBAN?

An IBAN (International Bank Account Number) is a standardized system for identifying bank accounts across borders. It consists of a country code, check digits, and a domestic account number. The check digits are validated using the mod-97 algorithm to detect transcription errors.

Features

  • Format validation for 80+ countries
  • Mod-97 checksum verification
  • Country, bank code, and account breakdown
  • Auto-formatting with spaces
  • 100% client-side - no banking data transmitted

Disclaimer:This tool is provided “as is” for informational and educational purposes only. Results may not be 100% accurate. ToolBird makes no warranties, express or implied, regarding the accuracy, reliability, or completeness of any output generated by this tool. This tool does not constitute professional, legal, financial, medical, or tax advice. Always consult a qualified professional for important decisions. By using this tool, you agree that ToolBird and its operators shall not be held liable for any damages, losses, or consequences arising from the use of this tool or reliance on its results. All processing occurs in your browser — we do not store, transmit, or access your data. Use at your own risk.