TFN Generator

Generate Australian Tax File Numbers (TFN) with valid checksum

⏳Loading...

About Australian Tax File Numbers (TFN)

A Tax File Number (TFN) is a 9-digit number issued by the Australian Taxation Office (ATO). This generator creates valid TFN format numbers with proper checksum validation for testing and educational purposes.

Disclaimer

Important: Generated numbers are NOT real Tax File Numbers issued by the ATO and have NO legal validity. They are for testing and educational purposes only.

Prohibited Uses: You must NOT use generated TFNs for:

  • Actual tax filing or tax-related purposes
  • Identity verification or authentication
  • Business registration or official transactions
  • Any fraudulent or illegal activity

Legal Consequences: Misuse of generated TFNs may result in:

  • Criminal prosecution under Tax Administration Act 1953 and Criminal Code Act 1995
  • Investigation by the Australian Taxation Office (ATO)
  • Civil liability, fines, and/or imprisonment

Your Responsibility: By using this tool, you acknowledge that you understand these risks and agree to use it only for legitimate testing purposes. You are solely responsible for any misuse of generated numbers.