I, like many other HNers, simply store the secret passphrase & QR code in a separate keypass database. Recently Google Authenticator app added the ability to m

I, like many other HNers, simply store the secret passphrase & QR code in a separate keypass database. Recently Google Authenticator app added the ability to move all codes to next phone by displaying multiple sequence of QR codes, but I coded a simple no internet just local storage & javascript app to to utilize otpauth:// protocol to eadily readd the codes on new phone https://spa.bydav.in/otp.html https://spa.bydav.in/otp.html