# Authenticator-Prefix

> Authenticator generates two-factor authentication codes in your browser, prefix support added.

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

## Overview

- **ID:** `authenticator-prefix`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Rajdeep Deb
- **Category:** web-development
- **Daily users:** 5
- **Weekly downloads:** 1
- **Rating:** 3.00 / 5 (2 ratings)
- **Version:** 6.1.1
- **Last updated:** 2020-06-07
- **First published:** 2020-06-06
- **Size:** 1.13 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/authenticator-prefix/)
- **Website:** [https://rajdeepdeb.me](https://rajdeepdeb.me/)

## Description

Authenticator-Prefix is a Firefox add-on that allows you to generate two-factor authentication codes in your browser. It includes prefix support for copying the OTP code and was originally built for personal use but later published. It is especially useful for those using Sophos VPN with MFA enabled, as it allows concatenation of the VPN password with the OTP.

## Rankings

- #43,568 — Overall
- #233 — defi

## Permissions and access

### Permissions

- `activeTab`
- `<all_urls>`
- `clipboardWrite`
- `storage`
- `identity`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> 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

- [Browser MFA Authenticator](https://chrome-stats.com/d/browser-mfa-authenticator) — 29 users
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- [OTPilot Authenticator](https://chrome-stats.com/d/otpilot-authenticator) — 1 users
- [Authenticator - 2FA](https://chrome-stats.com/d/authenticator-2fa) — 883 users, 5.00 / 5
- [TOTP Authenticator](https://chrome-stats.com/d/totp-authenticator) — 586 users, 3.67 / 5
- [2! Authenticator](https://chrome-stats.com/d/2-authenticator) — 16 users
- [Authenticator App](https://chrome-stats.com/d/authenticator-2fa-secure) — 365 users, 3.00 / 5
- [AuthZ Pro – Authenticator Extension for PC Browser](https://chrome-stats.com/d/authz-pro) — 1 users
- [Authi.me: 2FA TOTP with Sync](https://chrome-stats.com/d/authi) — 2 users, 3.67 / 5
- [Auth Plus](https://chrome-stats.com/d/foxauth) — 42 users, 4.56 / 5
- [2FA](https://chrome-stats.com/d/2fa_exten) — 90 users
- [TOTP Authenticator](https://chrome-stats.com/d/2fa-authenticator) — 13 users

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