TOTP Generator
RFC 6238 compliant — runs entirely in your browser
Configuration
Current TOTP Code
30s remaining------
HOTP (Counter-based)
Generate a one-time password for a specific counter value (RFC 4226).
TOTP (Time-based One-Time Password) generates a new code every 30 seconds using your secret and the current time. RFC 6238 compliant.
HOTP (HMAC-based One-Time Password) generates a code for a specific counter value. RFC 4226 compliant.
All computation happens locally — your secret never leaves your browser.