HENNGE OTP Generator

HENNGE OTP Generator is a virtual device application for multi-factor authentication (MFA), so-called two-step verification, which generates time-based one-time passwords (OTP) complying with RFC 6238 (TOTP: Time-Based One-Time Password Algorithm).

HENNGE OTP Generator supports multiple authentication source. You may use QR codes, or URLs copied onto the clipboard to add authentication config.

Tested for various platforms

We tested TOTP QR codes from, and believe it works with:

• Amazon Web Services (AWS Multi-Factor Authentication)
• App.net (Two-Factor Authentication)
• Dropbox (Two-step verification)
• Evernote (Two-step verification)
• Facebook (Login Approvals)
• Gandi (Two-factor Authentication)
• GitHub (Two-factor Authentication)
• Google Accounts (2-step verification)
• Google Apps for Business (2-step verification)
• HENNGE One (HENNGE Access Control OTP verification)
• Microsoft Accounts (Two-Step Verification)
• Tumblr (Two-Factor Authentication)
• WordPress (Two-Step Authentication)
• Yahoo! JAPAN (Yahoo! JAPAN one time password)

Additional security

HENNGE OTP Generator supports FaceID, TouchID or your phones passcode to prevent strangers or children from casually accessing your OTPs, even when you are physically away from your phone.

Limitations

• To make OTP work, make sure your clock is in sync
• Only supports 6-digits