Best Authenticator Extension Alternatives (40)

Looking for a Authenticator Extension alternative? We've compiled the best options based on user reviews, features, and pricing to help you find the right fit.

What is Authenticator Extension? The Authenticator Extension is a free and open source browser extension that allows users to easily manage two-factor authentication codes and accounts. It supports Time-based One-time Passwords (TOTP) and can generate OTP codes for logins.

Top Alternatives to Authenticator Extension

CryptoPhoto

CryptoPhoto

Open Source

CryptoPhoto is an open-source application that allows users to encrypt photos and images to protect their privacy. It uses strong …

Duo Mobile is a user-friendly two-factor authentication app that provides an extra layer of security when logging into accounts. It …

LastPass Authenticator is a free authenticator app that generates timed one-time passwords for two-factor authentication. It works together with the …

Invantive Authenticator is a multi-factor authentication solution that provides additional security for accessing business applications and data. It uses push …

OTPClient

OTPClient

Open Source

OTPClient is an open-source, free software one-time password (OTP) authenticator for Linux, macOS, and Windows. It enables two-factor authentication by …

Yandex.Key is a password manager and digital vault service created by Yandex. It allows users to securely store passwords, credit …

FreeOTP

FreeOTP

Open Source

FreeOTP is an open source two-factor authentication app for Android and iOS devices. It enables users to generate time-based one-time …

GNOME Authenticator is a two-factor authentication app for the GNOME desktop environment. It allows users to manage one-time passcodes, generate …

LibreOTP

LibreOTP

Open Source

LibreOTP is an open source one-time password authenticator app for Android. It enables two-factor authentication for logins by generating timed …

Tofu Authenticator

Tofu Authenticator

Open Source

Tofu Authenticator is a free, open source two-factor authentication app. It supports time-based one time passwords with high security and …

OTP Auth

OTP Auth

Open Source

OTP Auth is a free and open source two-factor authentication app for Android and iOS. It generates timed one-time passwords …

Daito Authenticator

Daito Authenticator

Open Source

Daito Authenticator is a free, open-source two-factor authentication app for iOS and Android. It generates time-based one-time passwords compatible with …

Authomator

Authomator

Open Source

Authomator is an open-source test automation framework for authoring automated tests for web, mobile, and API testing. It provides a …

TOTP Authenticator

TOTP Authenticator

Open Source

TOTP Authenticator is a free, open source app for two-factor authentication using one-time passcodes. It works with Google Authenticator and …

Aegis Authenticator

Aegis Authenticator

Open Source

Aegis Authenticator is a free, open source two-factor authentication (2FA) app for Android. It supports a range of authentication methods …

Authenticator Plus

Authenticator Plus

Open Source

Authenticator Plus is a free, open source two-factor authentication app for Android and iOS. It securely generates 2FA codes for …

Microsoft Authenticator is a multi-factor authentication app that provides an extra layer of security when signing in to Microsoft accounts. …

2FA Authenticator (2FAS) is a free, open-source two-factor authentication app for mobile devices. It enables users to easily set up …

Protectimus is a password manager and secure digital vault software designed to store and organize passwords, sensitive information, documents, and …

Open Authenticator

Open Authenticator

Open Source

Open Authenticator is a free and open source two-factor authentication app for Android and iOS. It allows users to generate …

itsme is a secure digital identity app developed by Belgian Mobile ID. It allows users to easily log into online …

Token2 Mobile OTP is a mobile app that generates one-time passwords for multi-factor authentication. It works by syncing with your …

SecKey

SecKey

Open Source

SecKey is an open source password manager and secure digital vault for managing passwords, sensitive information, and credentials. It uses …

SoundLogin Authenticator is a two-factor authentication app that uses sound-based login codes instead of SMS texts or TOTPs. It generates …

VoiceProtect

VoiceProtect

Open Source

VoiceProtect is a voice communication software that offers end-to-end encryption for calls and messages. It allows secure communication without compromising …

andOTP

andOTP

Open Source

andOTP is a free and open-source two-factor authentication app for Android. It allows users to generate one-time passwords for added …

Hydro Raindrop is a minimalist desktop notes and to-do app that helps organize thoughts and tasks. It has a simple, …

UNLOQ is a passwordless authentication solution that uses asymmetric cryptography to enable users to log in without passwords. It replaces …

More Similar Software

Authenticator Extension Overview

The Authenticator Extension is a free, open source browser extension used for two-factor authentication (2FA) and one-time passwords (OTP). It allows users to manage and generate 2FA/OTP codes for secure logins, without requiring a separate authentication mobile app.The extension supports integration with popular sites and services like Google, Facebook, Github, and more that require 2FA for enhanced account security. Once added and set up, it can generate time-based 2FA codes that users enter alongside their password when logging in.Key features …

Pricing: Open Source

Quick Comparison

SoftwarePricingScore
Authenticator ExtensionOpen Source
CryptoPhotoOpen Source
Duo mobileN/A
LastPass AuthenticatorN/A
Invantive AuthenticatorN/A
OTPClientOpen Source
Yandex.KeyN/A
FreeOTPOpen Source
GNOME AuthenticatorFree
LibreOTPOpen Source
Tofu AuthenticatorOpen Source

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