# 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

Canonical page: [https://chrome-stats.com/d/krypton-authenticator](https://chrome-stats.com/d/krypton-authenticator)

## Overview

- **ID:** `krypton-authenticator`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** krypt.co
- **Category:** privacy-security
- **Daily users:** 112
- **Rating:** 4.21 / 5 (14 ratings)
- **Version:** 1.0.18
- **Last updated:** 2020-05-14
- **First published:** 2018-07-25
- **Size:** 2.93 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/krypton-authenticator/)
- **Website:** [https://krypt.co](https://krypt.co/)

## Description

The Krypton Authenticator for Firefox is a cutting-edge extension designed to pair seamlessly with the Krypton app on iOS and Android. It eliminates the need for passwords or traditional 6-digit codes, enabling zero-touch logins that are immune to phishing attacks.

Built on the standardized FIDO Universal 2nd Factor (U2F) protocol, Krypton provides a secure, un-phishable method of two-factor authentication right from your phone. Compatible with popular services like Facebook, Google, Twitter, Dropbox, GitHub, and Salesforce, it enhances your online security effortlessly.

Getting started is simple: download the Krypton app, open the Firefox extension, and scan a QR code to connect. Krypton is built with a zero-trust architecture, ensuring that your authentication keys remain private and only reside on your device. With fully open-source code, Krypton emphasizes transparency, privacy, and security for all users.

## Rankings

- #10,984 — Overall
- #45 — crypto
- #101 — education
- #102 — salesforce
- #127 — catalog
- #127 — education

## Permissions and access

### Permissions

- `tabs`
- `storage`
- `https://*/*`
- `http://*/*`
- `webRequest`
- `webRequestBlocking`

### Content script matches

- `*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension support email may not be valid

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [Akamai MFA for Firefox](https://chrome-stats.com/d/akamai-pushzero-authenticator) — 69 users, 3.33 / 5
- [AT&T MFA for Firefox](https://chrome-stats.com/d/att-mfa) — 1 users
- [2FAFast Authenticator](https://chrome-stats.com/d/2fafast-authenticator) — 9 users
- [Authenticator](https://chrome-stats.com/d/auth-helper) — 145,840 users, 4.26 / 5
- [2! Authenticator](https://chrome-stats.com/d/2-authenticator) — 16 users
- [Authenticator App](https://chrome-stats.com/d/authenticator-app) — 1,285 users, 2.80 / 5
- [Open Two-Factor Authenticator](https://chrome-stats.com/d/open-two-factor-authenticator) — 285 users, 3.33 / 5
- [Auth Plus](https://chrome-stats.com/d/foxauth) — 41 users, 4.56 / 5
- [Digital Habits: Phone-Free 2FA](https://chrome-stats.com/d/redd-phone-free-2fa) — 9 users
- [EasyAuth](https://chrome-stats.com/d/easyauth) — 1 users, 1.00 / 5
- [AuthZ Pro – Authenticator Extension for PC Browser](https://chrome-stats.com/d/authz-pro) — 1 users
- [2FA Authenticator](https://chrome-stats.com/d/2fa_fire) — 36 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/krypton-authenticator)