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

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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

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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

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- To make OTP work, make sure your clock is in sync

- Only supports 6-digits,

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