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
Validate
Paste an IBAN number to check if it is valid.
- 2
View details
See country, bank info, BBAN, and check digits.
- 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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