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TOTP Code Generator

Generate live 2FA codes from a TOTP secret or otpauth:// URI — useful for testing.

Developer
224 185
12s remaining
Algorithm
SHA1
Digits
6
Period
30s
Time skew check
±30s usually ok

🔒 Secrets are kept in memory and never leave your browser.

About TOTP

TOTP (RFC 6238) generates a short numeric code that changes every 30 seconds, derived from a shared secret + the current time. It's what apps like Google Authenticator, Authy, and 1Password produce.

Paste either a Base32 secret (e.g. JBSWY3DPEHPK3PXP) or a full otpauth:// URI. SHA-1 / 30 seconds / 6 digits are the defaults — the URI can override any of those.

Heads-up:this is a testing tool. Don't paste production secrets unless you trust this device, and never paste secrets that another person could see your screen for.

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