2fa Code Generator

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