Item logo image for 2FA Authenticator

2FA Authenticator

5.0(

1 rating

)
ExtensionTools31 users
Item media 3 (screenshot) for 2FA Authenticator
Item media 1 (screenshot) for 2FA Authenticator
Item media 2 (screenshot) for 2FA Authenticator
Item media 3 (screenshot) for 2FA Authenticator
Item media 1 (screenshot) for 2FA Authenticator
Item media 1 (screenshot) for 2FA Authenticator
Item media 2 (screenshot) for 2FA Authenticator
Item media 3 (screenshot) for 2FA Authenticator

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 51 rating

Learn more about results and reviews.

Details

  • Version
    1.2
  • Updated
    July 29, 2026
  • 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

Related

2FAuth

4.8

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

Authenticator

5.0

TOTP two-step verification codes are generated locally; account keys are not uploaded to the server.

Google OTP Auto Login

0.0

Auto-generates TOTP codes and fills them into registered login pages. Secret keys never leave your browser.

SandPass — Zero-Knowledge Password Manager

0.0

Secure password manager with zero-knowledge encryption. Your passwords never leave your device.

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.

Secure Password Generator

0.0

Generate strong, cryptographically-secure passwords from your toolbar. Ad-free; passwords never leave your device.

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.

2FAuth

4.8

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

Authenticator

5.0

TOTP two-step verification codes are generated locally; account keys are not uploaded to the server.

Google OTP Auto Login

0.0

Auto-generates TOTP codes and fills them into registered login pages. Secret keys never leave your browser.

SandPass — Zero-Knowledge Password Manager

0.0

Secure password manager with zero-knowledge encryption. Your passwords never leave your device.

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

Google apps