A small tool.
A clear purpose.

2FA Go makes it simple to get a time-based verification code without installing an app or creating another account.

Less between you and your code

Paste a Base32 setup key or a TOTP authenticator URI to generate a code automatically, then copy it. The default is a six-digit code that refreshes every 30 seconds. Advanced settings support SHA-1, SHA-256, and SHA-512, six or eight digits, and 30- or 60-second periods.

Private by design

Code generation runs in your browser using its built-in cryptography. Pasted keys are not sent to our server or saved in browser storage. The authenticator does not include advertising or analytics scripts. Path links (/KEY) do send the key with the page request; use /#key=KEY to avoid sending it to the server.

Know its limits

2FA Go is a temporary code generator, not a backup vault or an account recovery service. It cannot recover lost secrets or bypass two-factor authentication. For everyday storage, use a dedicated authenticator that fits your security needs. Keep recovery codes separately.