Authenticator (TOTP Codes)
Generate TOTP 2FA codes online from a Base32 secret or otpauth:// URI. 30-second SHA-1 period with live countdown.
Authenticator (TOTP)
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30s left · 30s SHA-1 period
Secrets stay in this tab — but prefer your phone app for real accounts.
How to use
- Paste input or drop a file above.
- Adjust options (delimiter, dialect, quality, ratio).
- Copy result or download — no sign-up needed.
FAQ
Safe for real accounts?
It works, but prefer your phone app — browser tabs leak secrets more easily.
Clock matters?
Yes. TOTP derives from time — a skewed clock yields wrong codes.