Terms of Service
A useful tool. A shared responsibility.
Effective November 4, 2026.
Permitted use
Use 2facheck only with accounts and authentication secrets you are authorized to access. This tool generates codes from existing secrets; it does not bypass authentication.
Accuracy and availability
Codes depend on the correct secret, settings and device time. The tool is provided as available without a guarantee of uninterrupted operation. Keep recovery codes provided by your service in a secure location.
Your responsibility
Protect your device and shared secrets. Do not enter secrets on untrusted computers. 2facheck cannot recover lost keys or access your accounts. These terms do not limit rights that cannot be excluded under applicable law.