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TOTP Code Generator

A free online TOTP (Time-based One-Time Password) generator. Enter your base32 secret key to generate 6-digit codes compatible with Google Authenticator, Authy and 1Password. Shows the current code, countdown timer, plus previous and next codes. Implements RFC 6238 using HMAC-SHA1 via the Web Crypto API — runs entirely in your browser.

⏱ TOTP (RFC 6238) generates time-based 6-digit codes using HMAC-SHA1. Compatible with Google Authenticator, Authy and 1Password. Runs entirely in your browser.

TOTP Secret Key (base32)

Paste the secret from your 2FA setup page (usually shown as a QR code)

Current Code

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30s

← Previous Code

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Next Code →

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Google AuthenticatorAuthy1PasswordBitwardenMicrosoft Authenticator

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