2FA Code Generator

Generate TOTP 2FA codes locally. Save multiple accounts with labels. Right-click any secret to copy a code instantly.

Generate Time-based One-Time Passwords (TOTP) for two-factor authentication. Save your accounts, copy codes in one click, and keep everything on your own device — no cloud, no sign-up, no tracking. 🚀 KEY FEATURES • Multi-Account Vault: Save unlimited 2FA accounts with custom labels (Google, GitHub, AWS, etc.) and copy any code in a single click • Quick Paste: Drop a Base32 secret in the input and the code generates and copies automatically • Right-Click Anywhere: Highlight a 2FA secret on any webpage → Right-click → "Copy 2FA" → done • Recent History: Your last unsaved secrets are kept locally for instant re-use, with one-click delete or full clear • Live Countdown Rings: Every account shows the seconds remaining before the next code rotation • Light & Dark Themes: A refined modern interface that follows your preference • Persistent Local Storage: Your accounts and last typed secret survive browser restarts 🔒 PRIVACY & SECURITY • 100% Local Processing: Every TOTP computation happens inside your browser via the Web Crypto API • Zero Data Collection: No telemetry, no analytics, no tracking — ever • No External Servers: Your secret keys never leave this device • No Accounts, No Sync: No sign-up, no email, no cloud • Standards-Based: Implements TOTP per RFC 6238 (HMAC-SHA1, 30-second windows, 6-digit codes) • Tiny Permission Footprint: Only what's strictly required for clipboard access and context menus ⚡ HOW TO USE Method 1 — Save your accounts (recommended): Click the extension icon Paste your 2FA secret key Add a label and tap "Save" Click the saved entry any time to copy a fresh code Method 2 — Quick paste: Open the popup and paste a Base32 secret The code generates and is copied automatically Method 3 — Right-click on any webpage: Highlight a 2FA secret on the page Right-click → "Copy 2FA" A notification shows the code and confirms the clipboard copy 📱 PERFECT FOR • Managing many 2FA accounts on the desktop without reaching for your phone • Backup and account-recovery scenarios • Developers verifying TOTP implementations • Privacy-conscious users avoiding cloud authenticators • Anyone who wants codes one click away 🎯 TECHNICAL DETAILS • Standard Base32 secret keys • Generates 6-digit TOTP codes with a 30-second period • Compatible with all major 2FA services (Google, Microsoft, GitHub, AWS, Azure, etc.) • Works fully offline — no internet connection required • Manifest V3, Chrome 109 and above 🔐 WHY CHOOSE THIS Unlike most authenticator extensions, this tool stays out of your way: ✓ No account registration, no email, no password ✓ No cloud synchronization or remote servers ✓ No data sharing with third parties ✓ Transparent behavior — every file is open in the unpacked extension ✓ Quick access without juggling apps on multiple devices 💡 PRO TIPS • Save your most-used accounts so you never have to paste a secret again • Use the right-click menu when setting up a fresh 2FA account • Open the recent-history panel (clock icon) to re-use a paste from earlier • Toggle dark mode from the moon icon in the header — your choice is remembered • Click anywhere on the code box (or a saved entry) to copy 🆕 VERSION 1.3.0 — LATEST UPDATE A major rebuild on top of 1.2.0 with a new multi-account workflow: • NEW: Multi-account support with custom labels • NEW: Recent secrets history with manual delete and clear-all • NEW: Persistent local storage — accounts survive a browser restart • NEW: Light and dark themes with a cleaner, more spacious layout • NEW: The popup no longer auto-overwrites your clipboard when opened • Hardened TOTP and Base32 handling — no leaks of secret fragments in error messages • Refreshed icon and a polished, rounded card-style design ⭐ SUPPORT Have an issue or a suggestion? Reach us through the Chrome Web Store support page — we read every message and continuously improve based on your feedback. Save your 2FA accounts, copy codes in one click, and keep everything on your device. Fast, local, and entirely yours. #2FA #TwoFactorAuth #TOTP #Authenticator #Privacy #ChromeExtension