2FA Code Generator

Crypto & Security

Generate live two-factor codes from a TOTP secret, and read or build otpauth links and setup QR codes.

Computed locally · never uploaded

A Base32 secret, or paste an otpauth:// link

Algorithm

Digits

Period (s)

Case, spaces and trailing = are ignored; pasting an otpauth:// link fills in the other settings

Refreshes every 30 seconds

Enter a secret, or click “Generate” to create a new one.

If it doesn't match your phone app, check that this machine's clock is accurate

VerifyCompare

Build an otpauth link and QR code to scan into an authenticator app

Issuer

Account

Generated locally — nothing is uploaded

Enter a secret to generate a scannable QR code.

M · ~15% recoverable, fine for everyday use