Krypton Authenticator

The Krypton Authenticator for Firefox is the companion to the Krypton app for iOS and Android. Krypton makes two-factor authentication easy and secure: - No more passwords or 6-digit codes - Zero touch logins - Immune to phishing

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Krypton Authenticator is available to install from Firefox Browser Add-ons and for download from this page. It has 279 active users The latest version is 1.0.18, and it was published 2 years ago.

All available versions

You can find the current and older versions of Krypton Authenticator here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

How to install Krypton Authenticator from an XPI file

1. Simply drag-and-drop the XPI into Firefox to install the add-on.

How to install Krypton Authenticator from a ZIP file

1. Download the Krypton Authenticator ZIP file
2. In Firefox browser, go to about:addons to open Add-ons Manager
3. Click on , then select Install Add-on From File
4. Select the Krypton Authenticator ZIP file from step 1. Krypton Authenticator is now installed on your browser.