2FA Authenticator

5.0(

1 rating

)

Extension Tools24 users

Item media 3 (screenshot) for 2FA Authenticator

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Overview

Offline TOTP authenticator. Your secrets never leave your device.

A free offline TOTP authenticator extension. Generate 6-digit 2FA codes compatible with Google Authenticator. 100% client-side — your secrets never leave your device. No data collected, no cloud, no tracking. Supports multiple accounts with a live 30-second countdown timer.

5 out of 5
1 rating
Learn more about results and reviews.

Details

Version
1.2
Updated
July 29, 2026
Flag concern
Offered by
yyzrever
Size
99.25KiB
Languages
English
Developer
Email
klaus@mikaelsons.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

2FAuth

4.8

Generate your 2FA passwords with 2FAuth directly from your browser

mini authenticator

4.5

minimal open source authenticator that never store your secret keys

2FA Live — Authenticator & OTP Code Generator

0.0

Secure 2FA / OTP authenticator (TOTP) — scan a QR code or enter a secret manually. Fully encrypted, 100% local, no account needed.

Authenticator for PC

0.0

A desktop authenticator for saving and managing your 2FA codes

Authenticator

3.7

Generate TOTP codes like Google Authenticator.

Ghost Auth

0.0

Open-source TOTP authenticator — companion extension for Ghost Auth

2! Authenticator

4.0

The private, offline 2FA Authenticator. Import accounts from mobile apps and generate TOTP codes securely

2FA.cx - 身份验证器 | TOTP 两步验证

0.0

本地生成 TOTP/2FA 两步验证码，支持扫码/截图/手动添加，无需手机，安全离线

TOTP Authenticator

0.0

Local TOTP code generator. Add accounts by scanning QR or manual entry. Data stays on your device.

J2TEAM Cookies

4.8

Simple tool to export/import cookies. Share online accounts without revealing your password.

2FA Live

5.0

Show live TOTP 2FA codes instantly from a user-provided secret.

TOTP Manager

0.0

A secure, offline-first TOTP authenticator for Chrome. Manage your 2FA codes with ease, featuring import/export and dark mode.