Online one-time password generator / TOTP (Google ...
https://totp.appTOTP.APP - is a online generator of one-time passwords, based on TOTP (RFC 6238) algorithm. A web-based analog of the Google Authenticator mobile application. How to connect: An application using one-time passwords, based on TOTP algorithm, must provide a secret key. Add this secret key to TOTP.APP.