JS OTP Demo
JS OTP Compatible to Google Authenticator
Must input secret (Masterkey) when nobody is behind you.
Time of the device must be in sync to the internet time.
Secret (Masterkey) must have base-32 decodable number of characters, else no OTP. For example, no otp for 4 characters.
Characters must be strictly among ABCDEFGHIJKLMNOPQRSTUVWXYZ234567 (case insensitive).
If Google Authenticator secret key has 0 and 1, replace them here by O and I, respectively.
Leave (do not input) Google Authenticator human readable symbols "-" and whitespace.
Modified for personal Use by: