2FA Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication. 2FA authentication is recommended by security experts as the most efficient way to add an extra layer of protection for your personal and work accounts by verifying one-time passwords (OTP), which are 6-digit codes for 2-step verification (2SV). 2FA codes generated by Authenticator app are widely supported and accept