BrowseGuard – Lock & Protect Browser Tabs

Do your coworkers peek at your screen when you step away? BrowseGuard lets you lock individual browser tabs with a PIN or biometric authentication — without locking your entire computer. Protect banking, email, client portals, or any other sensitive website. Your data stays on your device. No account required. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⭐ KEY FEATURES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔒 Tab-level password protection Protect any website you choose. Use one master PIN for everything, or set different PINs per site. 👆 Biometric unlock Unlock in seconds with Touch ID, Windows Hello, or any WebAuthn-compatible authenticator. Your PIN is always available as a fallback. ⏱ Auto-lock rules Configure tabs to re-lock automatically based on: • Session length (1–120 minutes) • Inactivity timeout (1–60 minutes) • Switching to another tab • Browser window losing focus • Browser restart • In-page navigation 🚫 Brute-force protection Too many wrong PIN attempts trigger a temporary cooldown to prevent unauthorized access. 🛡 Anti-tamper safeguards BrowseGuard monitors for security events and helps maintain the integrity of your protection settings. 🎯 Focus mode Lock distracting sites during work or study sessions. When the session ends, those tabs stay protected. ⌨ Keyboard shortcuts Ctrl+Shift+L — Lock all protected tabs Ctrl+Shift+K — Lock the current tab 📋 Activity log Review lock, unlock, and security events organized by site and time. 💾 Backup and restore Export your site settings as a JSON file and reimport them anytime. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔐 PRIVACY ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✔ Your PIN is hashed with PBKDF2-SHA256 before storage — never stored in plain text ✔ All settings and activity data are stored locally on your device ✔ Nothing is uploaded to external servers ✔ No account required ✔ No subscription ✔ No ads ✔ Built on Chrome Manifest V3 ✔ Works in Incognito when the extension is enabled for it ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚙ PERMISSIONS EXPLAINED ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Storage — saves your settings and protected site list locally Tabs / Scripting — detects when you visit a protected site and displays the lock screen All URLs — required to protect whichever sites you configure (no data is collected) Alarms / Idle — powers inactivity timers and auto-lock rules Notifications — alerts you when a tab is locked, unlocked, or a security event occurs ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🚀 GETTING STARTED ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Click "Add to Chrome." 2. Create a 4-digit master PIN. 3. Add the websites you want to protect. 4. Browse with an extra layer of privacy. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BrowseGuard is built for office professionals, remote workers, freelancers, developers managing multiple accounts, and anyone who wants a quick, lightweight privacy layer for their browser tabs.