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2FA Authenticator - generate secure codes in your browser. Fast, offline two-factor authentication for all your accounts. 2FA Authenticator: Your Secure Two-Factor Authentication for Chrome Protect your online accounts with 2FA Authenticator — the ultimate two-factor authentication extension built directly into your Chrome browser. Generate secure TOTP and HOTP codes instantly, without switching devices. 2FA Authenticator makes two-factor authentication simple, fast, and reliable for everyone. 🔒 Security & Privacy • Manifest V3, minimal permissions ("storage" only) • No tracking, no analytics, no telemetry • No content scripts — extension cannot read web pages • TOTP secrets remain in your browser, never transmitted • Public security disclosure policy at authenticator.sh/security 🛡️ Effortless Two-Factor Authentication ⚡ Enable 2FA protection for all your accounts in seconds ⚡ Generate one-time passcodes (OTP) with a single click using 2FA Authenticator ⚡ Support for TOTP and HOTP protocols — the gold standard of two-factor authentication ⚡ Never worry about losing access to your 2FA codes again 🔑 Secure Code Generation with 2FA Authenticator 🔒 Generate time-based one-time passwords (TOTP) directly in Chrome 🔒 2FA Authenticator supports all major platforms: 2FA, Facebook, Amazon, GitHub, Dropbox, and more 🔒 Each 2FA code refreshes automatically every 30 seconds 🔒 Your two-factor authentication codes are always accurate and perfectly synced ⚡ Lightning-Fast 2FA Access 🚀 Open 2FA Authenticator from the browser toolbar — instant access to all your codes 🚀 No need to reach for your phone — two-factor authentication is now in your browser 🚀 Copy your 2FA code with one click and paste it into any login form 🚀 Save precious time every day with 2FA Authenticator's streamlined workflow 🔍 Easy QR Code Scanning - Add new accounts to 2FA Authenticator by scanning QR codes - Use your webcam or upload a screenshot — 2FA Authenticator handles both - Set up two-factor authentication for a new service in under 10 seconds - 2FA Authenticator automatically detects and parses QR codes for seamless setup 🛡️ Privacy-First 2FA Security 🔐 All 2FA Authenticator data is stored locally on your device 🔐 Your two-factor authentication secrets never leave your browser 🔐 No external servers, no cloud storage — 2FA Authenticator keeps everything offline 🔐 Full encryption ensures your 2FA keys remain private and protected 📦 Backup & Restore Your 2FA Data • Export your 2FA Authenticator accounts securely for backup • Restore your two-factor authentication data when switching devices or browsers • Never lose access to your 2FA codes — backup with confidence • 2FA Authenticator makes migration between devices simple and safe 🌐 Universal 2FA Compatibility 🌍 2FA Authenticator works with thousands of websites and services 🌍 Compatible with any platform that supports TOTP-based two-factor authentication 🌍 Use 2FA Authenticator with any account 🌍 Replace 2FA Authenticator, Authy, or any other 2FA app — all inside Chrome 🎨 Clean, Intuitive 2FA Interface • 2FA Authenticator features a modern, user-friendly design • Organize your two-factor authentication accounts with custom labels and icons • Search through your 2FA codes instantly — even with hundreds of accounts • Dark mode and light mode support — 2FA Authenticator adapts to your preferences 🚀 How to Start with 2FA Authenticator: 📥 Step 1: Install 2FA Authenticator from the Chrome Web Store 📥 Step 2: Click the 2FA Authenticator icon in your browser toolbar 📥 Step 3: Add your first account by scanning a QR code or entering a secret key manually 📥 Step 4: Use your 2FA codes instantly — two-factor authentication is now at your fingertips Setting up two-factor authentication has never been easier. 2FA Authenticator guides you through every step, so even if you're new to 2FA, you'll be protected in minutes. 💡 Why Choose 2FA Authenticator? ⭐ Instant 2FA codes — no phone required, two-factor authentication lives in your browser ⭐ Offline functionality — 2FA Authenticator generates codes without an internet connection ⭐ Top-tier security — your two-factor authentication secrets are encrypted and stored locally ⭐ Universal compatibility — 2FA Authenticator supports every TOTP-enabled service ⭐ Zero cost — powerful two-factor authentication completely free ⭐ Lightweight & fast — 2FA Authenticator uses minimal resources and never slows down Chrome ⭐ No account required — start using 2FA Authenticator immediately, no sign-up needed ⭐ Regular updates — 2FA Authenticator is constantly improved for better security and performance 🔐 Why Two-Factor Authentication Matters: In today's digital world, passwords alone are not enough. Two-factor authentication (2FA) adds a critical second layer of security to your accounts. With 2FA Authenticator, you generate a unique, time-sensitive code that must be entered alongside your password. Even if someone steals your password, they cannot access your account without the 2FA code from your authenticator. 2FA Authenticator brings the power of two-factor authentication directly into Chrome, eliminating the need to carry a separate device or install a mobile 2FA app. Whether you're securing your email, social media, banking, cryptocurrency wallets, or work accounts, 2FA Authenticator provides robust two-factor authentication protection for everything. 🏆 2FA Authenticator vs. Other Authenticator Apps: Unlike mobile-based 2FA apps, 2FA Authenticator lives right where you need it — in your browser. No more switching between your phone and computer. No more typing codes manually. With 2FA Authenticator, your two-factor authentication codes are just one click away. Compared to other browser-based authenticator extensions, 2FA Authenticator stands out with its focus on security, speed, and simplicity. Every aspect of 2FA Authenticator is designed to make two-factor authentication as seamless as possible while keeping your data fully protected. 🔧 Advanced 2FA Authenticator Features: • Support for SHA-1, SHA-256, and SHA-512 algorithms in 2FA code generation • Customizable code refresh intervals for advanced two-factor authentication setups • Manual entry of secret keys for services that don't provide QR codes • 2FA Authenticator supports 6-digit and 8-digit OTP codes • Bulk import and export for managing large numbers of 2FA accounts • Counter-based HOTP support alongside standard TOTP two-factor authentication 📢 Trusted by Thousands of Users Worldwide 2FA Authenticator is trusted by security-conscious individuals, developers, IT professionals, and everyday users who understand the importance of two-factor authentication. Join the growing community of users who rely on 2FA Authenticator to keep their digital lives secure. Your security matters. Your time matters. 2FA Authenticator delivers both — powerful two-factor authentication with zero friction, zero cost, and zero compromise. Install 2FA Authenticator today and take control of your online security with the most convenient two-factor authentication solution for Chrome. 🔐 2FA Authenticator — Two-Factor Authentication Made Simple, Secure, and Smart.
2! Authenticator
The private, offline 2FA Authenticator. Import accounts from mobile apps and generate TOTP codes securely 2! Authenticator: Secure 2FA in Your Browser Stop reaching for your phone every time you log in. 2! Authenticator brings secure, Time-based One-Time Passwords (TOTP) directly to your desktop browser. Fully compatible with the export features of major mobile authenticator apps, this extension keeps you in your workflow while maintaining top-tier security. 🚀 Why You’ll Love It Stay in the Zone: No need to unlock your phone or wait for insecure SMS codes. Your 2FA codes are just a click away in your toolbar. Bulk Import: Easily migrate your accounts! You can import multiple codes at once by scanning the export QR code from your mobile app. Smart Sorting: The extension detects the website you are currently visiting and automatically suggests the correct code at the top of the list. Universal Compatibility: Works with almost any online service that supports standard 2FA login. Scan: Use your webcam to scan a QR code (supports single accounts or bulk exports). Paste: Copy and paste a QR code image directly from your clipboard. Drag & Drop: Simply drag a QR code image into the extension window. Manual Entry: Type in the secret key provided by your service. 🔒 Privacy First We believe your security is paramount. Offline Operation: All logic is computed locally on your machine. Your codes are never sent over the internet. Zero Data Sharing: We do not share your data with third parties. Permissions: We only ask for permissions strictly necessary to scan codes (Camera/Active Tab) when you initiate the action. 💎 Premium Features (One-Time Fee: $2.99) Unlock the full potential of 2! Authenticator with a lifetime license: AES-GCM Encryption: Lock your vault with a personal password/PIN to prevent unauthorized access. Cloud Backup & Restore: Securely backup your vault to your preferred cloud service or hard drive. Never lose your access again. No Password Recovery: To ensure maximum security, we cannot reset your password/PIN if you lose it. If you forget your encryption PIN, your data cannot be recovered. Webcam Requirement: Importing multiple codes from mobile apps requires a webcam to scan the export QR code. New UI: Completely redesigned for ease of use. Smart Suggestions: Accounts affiliated with your active tab appear at the top. Improved Scanning: Faster webcam and webpage scanning.
2FA Authenticator
Free 2FA Authenticator. Generates two-factor codes in your browser. Alternative to Google Authenticator. No phone needed. Secured. You no longer need to use your phone to authenticate. This 2FA TOTP authenticator extension gives you 2-step verification codes directly in your browser, and the added layer of security that TypingDNA’s AI-based typing biometrics authentication provides (optional). Key features: - Verification TOTP (time-based OTP) codes in your browser - One-click to copy verification codes - Secret keys vault functionality - Scan QR codes directly from websites - Show QR codes for quick scan - Import/Export codes to/from file - AI-based typing biometrics authentication as a security layer (Premium only) How the TypingDNA authentication works: - Type your email and secure pharse (or optionally, a password) - Typing pattern authentication happens at TypingDNA.com in the background - Once your typing pattern is verified, a master encryption key is released and unlocks your security codes locally in order to generate your TOTP 2FA codes right in your browser One-click to paste codes: You can get your 2FA codes by simply selecting an account from the list, copy-pasting the OTP code directly into the webpage or other apps. Vault and authenticator, 2 in 1 Keep all your secret keys safe. Generate your 2FA TOTP codes whenever needed and also reproduce the initial QR code for a quick phone rescan. This feature is not available with other authenticators, not even with phone based ones (like Google Authenticator). Download the 2FA Authenticator app and enable Two Factor Authentication for free. Generate your two-factor authentication (2FA) codes in no time. Our FREE and Premium 2FA Authenticator apps work with any platform that has a 2FA with QR OTP-based authentication method. TypingDNA’s typing biometrics technology performs authentication as individuals simply type on their keyboard. By using proprietary artificial intelligence technology we analyze an individual's unique typing pattern and match it against previous recordings (for Secured accounts/Premium only). We are a behavioral biometrics company, being used primarly by online financial services and educational institutions to prevent identity theft and fraud. Check our website and see more use cases and tailored solutions: https://www.typingdna.com/ Can I use the 2FA Authenticator completely Free? Yes! You can use the 2FA Authenticator for Free. The main difference between Free and Premium versions is that the Free version is not secured (like all other TOTP authenticators on Chrome store). Therefore we don't recommend it for sensitive work and personal accounts. However, our Premium version comes with the secured experience. That being said, the Free version experience is faster, as it doesn't require login. Many users prefer this experience. Want to use 2FA Authenticator in your organization? For commercial use, contact us through the form on our website (typingdna.com). We offer discounted premium licenses for teams and organizations. Please note that the 2FA Authenticator comes "as is", and "as available". We do not provide any warranty, whether express or implied, of any kind regarding the Service including any warranty of merchantability, fitness for a particular purpose, title or non-infringement of right. We are not liable for any loss, damages or expenses of any kind incurred or suffered by you arising from or in connection with your use of or inability to use the Service, or any failure, breach or error. Important: We do not have access to your secret codes and do not offer any warrany for any loss of your codes. Your secret codes are stored (local or sync) in your Google Chrome account only. In order to prevent any loss, keep copies of your most recent secrets separately. Use the "Export secrets..." button to download the secrets in a text file then, encrypt and keep these secrets in a separate location.
Authenticator
Authenticator generates two-factor authentication codes in your browser. Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts. Always keep a backup of your secrets in a safe location. Encrypting your secrets is strongly recommended, especially if you are logged into a Google account. Features: - Add accounts by scanning QR codes - Search your accounts by pressing "/" - Translated into more than ten languages - Encrypt your secrets with a password - Backup your secrets to a file, Google Drive, Microsoft OneDrive, or Dropbox - Sync your secrets with your Google Account - Import data from Google Authenticator offical mobile App - Open source
Auto OTP Authenticator
Auto OTP Authenticator is a lightweight, privacy-focused TOTP (Time-based One-Time Password) manager for your browser. It generates one-time codes, helps you organize accounts, and can fill them into common 2FA / verification forms—so you don’t have to reach for your phone for every login. After setup, TOTP codes are computed entirely on your device using the Web Crypto API. Secrets stay in your browser profile by default. There are no analytics servers, no telemetry, and no tracking from this extension. TOTP codes (RFC 6238) — typically 6 or 8 digits, 30-second (or custom) steps, HMAC-SHA1 or HMAC-SHA-256 Automatic detection & fill — supports single-field and multi-box OTP layouts Domain-aware accounts — matches and prioritizes accounts per website Popup workflow — search, filter, copy, delete, last-used priority Keyboard shortcuts — copy/fill without opening popup QR & otpauth — scan from page (including iframes) or import from image Import & export — JSON backup/restore Appearance — light/dark/system theme Optional Chrome sync — stores data in Google sync (optional) Languages — English, Turkish, German, Spanish, Italian Default: chrome.storage.local Codes generated locally No backend servers Export backups manually Not a replacement for hardware keys (e.g., YubiKey)
