Generate live TOTP/2FA codes from a base32 secret. Scan QR with any authenticator.
Generate Time-based One-Time Passwords (TOTP/RFC 6238) from any base32 secret — the same algorithm used by Google Authenticator, Authy, and 1Password. Enter or generate a secret, set an account name and issuer, and get a live 6-digit code that refreshes every 30 seconds. Scan the QR code with any authenticator app. All computation runs locally in your browser.
TOTP (RFC 6238) uses HMAC-SHA1 with a 30-second time step. All computation runs locally — your secret is never sent anywhere.