# Authenticator App: 2FA Scanner > Scan QR codes with our 2FA app to generate offline codes (TOTP/HOTP) in seconds. Canonical page: [https://chrome-stats.com/d/com.authenticator.app.securitycode.scan2fa](https://chrome-stats.com/d/com.authenticator.app.securitycode.scan2fa) ## Overview - **ID:** `com.authenticator.app.securitycode.scan2fa` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Niku Apps - **Category:** TOOLS - **Downloads:** 18,616 - **Version:** V1.0.16 - **Last updated:** 2026-08-22 - **First published:** 2025-12-11 - **Publisher country:** VN - **Size:** 100 MB - **Data as of:** 2026-09-13 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.authenticator.app.securitycode.scan2fa) - **Website:** [https://nikuapp.web.app/](https://nikuapp.web.app/) - **Privacy policy:** [https://smartapp1x.web.app](https://smartapp1x.web.app/) ## Description Protect your online accounts with Authenticator App: 2FA Scanner — a simple, secure way to generate two‑factor authentication (2FA) codes for fast, safer sign-ins and login verification.

This app creates time-based one-time passwords (TOTP) and counter-based codes (HOTP) that refresh automatically, adding an extra layer of protection beyond your password for better account security. Set up new accounts in seconds by scanning a QR code, then get your verification codes anytime — even without an internet connection. Think of it as a lightweight OTP generator you can use anywhere.

KEY FEATURES
• QR Code Scanner for instant setup
Add accounts quickly by scanning QR codes, or enter a setup key manually. It works as a QR code authenticator for easy onboarding.

• Offline code generation
Your 2FA codes work without Wi‑Fi or mobile data, so you can sign in anywhere. A reliable offline authenticator and TOTP generator when you travel or have no signal.

• App Lock (optional)
Add an extra protection layer to your 2FA app with PIN / password / biometric lock (depending on device support).

• Backup & Restore (optional)
Keep access to your tokens when switching phones (backup 2FA and export options depend on your setup).

• Organize your accounts
Manage multiple accounts easily so you can find the right code fast.

• One-tap copy
Copy verification codes instantly to speed up login.

WORKS WITH MANY SERVICES
Use one authenticator for thousands of websites and apps.

HOW TO USE
1) Enable 2FA (two factor authentication) on the website/app you want to protect.
2) Choose “Authenticator App” and scan the QR code (or paste the secret key).
3) Enter the 6–10 digit code (one time password) shown in this app to complete setup.
4) Next time you log in, open the app and use the current code. ## Rankings - #446,024 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_CUSTOM_AUDIENCE` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACCESS_WIFI_STATE` - `android.permission.CAMERA` - `android.permission.FOREGROUND_SERVICE` - `android.permission.GET_ACCOUNTS` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.READ_BASIC_PHONE_STATE` - `android.permission.SCHEDULE_EXACT_ALARM` - `android.permission.USE_BIOMETRIC` - `android.permission.USE_FINGERPRINT` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.android.vending.BILLING` - `com.android.vending.CHECK_LICENSE` - `com.authenticator.app.securitycode.scan2fa.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE` - `com.google.android.gms.permission.AD_ID` - `com.google.android.providers.gsf.permission.READ_GSERVICES` - `com.huawei.appmarket.service.commondata.permission.GET_COMMON_DATA` - `com.samsung.android.mapsagent.permission.READ_APP_INFO` ## Similar extensions and apps - [Authenticator App: 2FA & OTP](https://chrome-stats.com/d/com.vidus6.authenticator) — 58,486 users, 4.66 / 5 - [Authenticator App](https://chrome-stats.com/d/com.app.authly.authenticator) — 727 users - [Authenticator — 2FA Codes](https://chrome-stats.com/d/com.securevault.authenticator) — 1 users - [Authenticator App - 2FA](https://chrome-stats.com/d/com.twofa.authenticator.app.mfa) — 5,515 users - [Authenticator](https://chrome-stats.com/d/com.cwsk.googleauthenticator) — 49 users - [Authenticator App: Secure OTP](https://chrome-stats.com/d/com.lowbyte.authenticatorapp) — 24,784 users - [Authenticator App: 2FA Code](https://chrome-stats.com/d/authenticator.mobile.authenticator) — 373,603 users, 1.97 / 5 - [Authenticator App - 2FA Auth](https://chrome-stats.com/d/com.two.factor.authenticator.app) — 2,896 users - [Authenticator App](https://chrome-stats.com/d/com.authenticator.app.twofa.auth) — 1,900 users - [2FA Authentication App - TOTP](https://chrome-stats.com/d/com.authenticator_2fa_authentication_app) — 54 users - [Authenticator](https://chrome-stats.com/d/com.ddt.aap.authenticator) — 189 users - [Authenticator: OTP, 2FA & Code](https://chrome-stats.com/d/com.authenticator.app.yildizco) — 79 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.authenticator.app.securitycode.scan2fa)