2FA QR code generator

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Server Hex Secret (Example use output from: openssl rand -hex 20):

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Token Type:
Time based (TOTP) Counter based (HOTP)

Base-32 Secret:

Label for token in app (ie: My_Firewall):

Optional Issuer (ie: some_dot_domain):

URI encoded in QR code:

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The issuer parameter is not stored on the Yubikey NEO and will not show up in the Yubico Authenticator app. Check this box to automatically copy the issuer text into the label parameter, mimicing the "issuer (label)" format:

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In the Google Authenticator app, it will look something like this:

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• This is a 2FA QR code generator made in JavaScript that helps you make QR codes from 2FA secrets, initially created by Stefan Sundin
• Extended with base32/hex logic by Jason Wessel - TOTP / Google Authenticator Token.
• Uses jquery-qrcode.
• See the docs for the URI format.
• Client tools for the using the keys:
  • Android / IOS: FreeOTP
  • unix/Linux: oathtool