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IBAN Validator

Validate, format, batch-check, and generate IBAN numbers with MOD97 checksum verification.

Free & unlimitedWorks offline
Mode
IBAN
Try:
All processing happens in your browser. No data is sent to any server.

About this tool

  1. 1

    Validate

    Paste an IBAN number to check if it is valid.

  2. 2

    View details

    See country, bank info, BBAN, and check digits.

  3. 3

    Generate

    Switch to generate mode to create a valid IBAN from bank code and account number.

  • The tool uses the MOD97 checksum algorithm (ISO 7064) for validation.
  • IBAN is auto-formatted into groups of 4 characters for readability.
  • Supports 18+ countries including Denmark, Germany, UK, France, and more.
  • MOD97 validation
  • Auto-formatting
  • 18+ country support
  • Country + flag display
  • IBAN generation
  • Copy formatted IBAN
  • Validating IBAN numbers before bank transfers
  • Checking IBANs received from international clients
  • Generating valid IBANs for testing

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