Locksy - Tab Locker & Password Protection

Password-protect your tabs with military-grade PBKDF2 encryption. Instant locking, offline security, 100% private.

🎯 WHY YOU NEED LOCKSY?
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Do you work in shared spaces? Need to step away from your computer but have sensitive information open? Worried about someone seeing your personal tabs when you share your screen? Locksy is your solution.

Locksy provides enterprise-level tab protection with PBKDF2 key derivation (600,000 iterations) and WebAuthn biometric authentication (fingerprint / Face ID / Windows Hello) that ensures only YOU can access your locked tabs. Whether it's banking information, confidential work documents, personal messages, or private research - Locksy keeps your tabs secure with military-grade password protection and instant biometric unlock that can't be bypassed.


🔐 LOCKSY vs DEVICE LOCK ?
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❌ OS/Device Lock (Windows Lock, macOS Lock, etc.) DOESN'T PROTECT:
• Screen sharing sessions - Others can see your tabs during meetings/presentations
• Quick shoulder surfing - Anyone can glance at your screen in seconds
• Brief moments away - Locking/unlocking your whole device is slow and disruptive
• Shared family computers - Family members with login access see everything
• Remote desktop connections - Authorized users can access all content
• Individual privacy needs - You need to lock ENTIRE device for just ONE sensitive tab

✅ LOCKSY PROVIDES INSTANT, SELECTIVE PROTECTION:
• Lock ONLY sensitive tabs, keep working on others
• Instant protection (1 second vs 5-10 seconds for device lock)
• Works DURING screen sharing - Hide specific tabs while presenting
• No disruption - Keep music, downloads, background tasks running
• Tab-level granular control - Lock banking but keep email accessible
• Domain-wide protection - Lock all work tabs, keep personal tabs open
• Quick access - Unlock one tab without unlocking everything
• Auto-lock after inactivity - Set and forget automatic protection
• Scheduled locking - Automatic protection during specific hours
• NEW: Biometric unlock - Touch your fingerprint reader or use Face ID to unlock instantly

💡 REAL-WORLD SCENARIOS WHERE LOCKSY SHINES:
• Video calls: Share screen without showing private tabs
• Coffee shops: Step away for 30 seconds - lock tabs, not entire laptop
• Office desk: Colleague asks to look something up - they can't see your locked tabs
• Family PC: Everyone logged in - only YOUR tabs need password
• Teaching/Demos: Present on one screen while keeping research tabs locked
• Quick coffee breaks: 2-second protection vs full device sleep
• Multiple users with access: They can use PC but not YOUR sensitive tabs
• Work hours: Auto-lock all tabs during 9-5 when you're in office
• Overnight protection: Schedule locking from 10 PM to 6 AM automatically


✨ KEY FEATURES
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👆 BIOMETRIC UNLOCK (NEW in v2.3.0)
• Touch-to-unlock with fingerprint reader, Face ID, or Windows Hello
• WebAuthn/FIDO2 — the same standard used by banks and governments
• Biometric data NEVER leaves your device — processed entirely by your OS
• Zero password typing required after setup
• Supports: macOS Touch ID, iOS Face ID/Touch ID, Android biometrics, Windows Hello
• Falls back to master password if biometric is unavailable
• Hardware-bound credential — cannot be phished or stolen
• Instant unlock — faster than typing your password

🛡️ MILITARY-GRADE SECURITY
• PBKDF2-SHA256 Key Derivation - 600,000 iterations (OWASP 2023 compliant)
• ~120 YEARS to crack 8-character password vs ~7 days with basic hashing
• Timing attack protection with constant-time comparison
• Advanced rate limiting with exponential backoff (3 free attempts)
• 5-minute lockout after 10 failed attempts with live countdown
• 256-bit derived keys with unique 128-bit cryptographic salts
• Protection against rainbow tables, brute force, and timing attacks
• No administrative bypass or backdoor access
• XSS prevention with safe DOM methods

⏱️ AUTO-LOCK TIMER
• Automatic locking after periods of inactivity
• Preset durations: 5, 15, 30, 60 minutes
• Custom duration support: 1-480 minutes (up to 8 hours)
• Smart activity tracking across tabs, navigation, and window focus
• Detects mouse clicks, keyboard input, scrolling, video playback
• Automatic timer reset on any user interaction
• Real-time status display with countdown information
• Desktop notifications when auto-lock activates
• Choose to lock all tabs or only active tab
• Perfect for: coffee breaks, meetings, stepping away from desk

📅 SCHEDULED LOCKING
• Time-based automatic locking during specific hours
• Custom start and end time configuration (24-hour format)
• Day selection: Choose specific days (Mon-Fri, weekends, etc.)
• Quick preset options:
- Work Hours (9 AM - 5 PM)
- Night Time (10 PM - 6 AM)
- All Day (24/7 protection)
• Automatic locking when entering scheduled period
• Notifications for schedule activation and deactivation
• Real-time schedule status indicator
• Scope options: Lock all tabs or only active tab
• Supports overnight schedules (e.g., 10 PM to 6 AM)
• Persistent scheduling using Chrome Alarms API
• Perfect for: office hours, overnight protection, recurring schedules

🌐 DOMAIN LOCK FEATURE
• Lock entire domains with one click - all matching tabs automatically protected
• Wildcard subdomain support (*.google.com locks all Google services)
• Exact domain matching (github.com locks only GitHub)
• Auto-lock new tabs that match locked domain patterns
• Customizable unlock preferences per domain
• Persistent across browser restarts
• Dedicated Domain Lock Manager interface

🔐 ONE-CLICK TAB LOCKING
• Lock any website tab with a single click
• Password-protected overlay covers entire page
• Unlock only by entering correct master password
• Persistent locks survive page refreshes and navigation

🔓 UNLOCK ALL TABS (NEW in v2.4.0)
• One-click button in popup to unlock every locked tab simultaneously
• All tabs navigate back to their original URLs at the same time
• Batch operation — instant, not sequential

🕶️ INCOGNITO MODE SUPPORT
• Works seamlessly in private browsing windows
• Same master password for normal and incognito tabs
• Enable in extension settings with one click

⌨️ KEYBOARD SHORTCUTS
• Lock current tab instantly - Alt+Shift+9 (customizable)
• Open Domain Lock Manager - Alt+Shift+0
• Lock all tabs in window - Alt+Shift+8
• Automatic safety checks (password, activation status)
• Bulk operations with instant feedback
• Fully customizable shortcuts in browser settings

🔄 SERVICE WORKER PERSISTENCE
• Locked tabs remain protected even after browser sleep
• Domain locks automatically restored after inactivity
• Automatic state restoration after service worker wake-up
• Badge counter persists across sessions
• Scheduled locks continue working after browser restart


🔒 PRIVACY & SECURITY GUARANTEE
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✅ 100% Offline Operation - No external servers or data transmission
✅ Zero Tracking - No analytics, cookies, or user tracking
✅ Local Storage Only - All data stays on your device
✅ Open Source - Transparent code available on GitHub
✅ No Permissions Abuse - Only essential permissions requested
✅ PBKDF2 Protection - 600,000 iterations, OWASP 2023 compliant (v2.0.0)
✅ Rate Limiting - Exponential backoff with 5-min lockout (v2.0.0)
✅ Timing Attack Protection - Constant-time comparison (v2.0.0)
✅ Rainbow Table Protection - Unique salts prevent precomputed attacks
✅ XSS Protection - Secure DOM methods prevent code injection
✅ Brute Force Protection - 120 years crack time for 8-char password (v2.0.0)
✅ Activity Tracking - Local only, no data sent externally (v2.2.0)
✅ Alarms API - Used only for local scheduling, no external communication (v2.2.0)
✅ Biometric Auth - WebAuthn/FIDO2, credential never leaves your device (v2.3.0)
✅ Zero Biometric Storage - No fingerprint/face data stored by Locksy (v2.3.0)


🎯 PERFECT FOR
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👥 Shared Computers - Protect tabs when others use your PC
🏢 Office Environments - Secure sensitive work tabs and entire work domains
☕ Public Spaces - Lock tabs at cafes, libraries, airports
👨‍👩‍👧 Family Computers - Keep personal tabs private
🏦 Banking & Finance - Lock entire banking domain for maximum security
📧 Email & Social Media - Protect all email/social media tabs at once
🔐 Password Managers - Secure your password vault tabs and domains
🎓 Students - Lock school portal domains during shared screen presentations
⏰ Scheduled Workers - Auto-lock during work hours, unlock after hours
🌙 Night Security - Automatic overnight protection while you sleep
☕ Break Times - Auto-lock after 5-15 minutes of inactivity
🎯 Forgetful Users - Set it once, never worry about forgetting to lock
👆 Biometric Users - Instant fingerprint/face unlock without typing passwords


🚀 HOW TO USE
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Individual Tab Lock:
1️⃣ Click the Locksy icon in your browser toolbar
2️⃣ Activate the extension with the toggle switch
3️⃣ Set your master password (8+ characters recommended)
4️⃣ Navigate to any tab you want to protect
5️⃣ Click "🔒 Lock Current Tab" button (or press Alt+Shift+9)
6️⃣ Tab is now secured with password overlay and lock icon
7️⃣ Enter password on the tab to unlock

Domain Lock:
1️⃣ Click "🌐 Domain Lock" in the Locksy popup (or press Alt+Shift+0)
2️⃣ Enter domain pattern (e.g., "github.com" or "*.google.com")
3️⃣ Click "Add Domain Lock"
4️⃣ All current and future tabs matching the domain are automatically locked
5️⃣ Manage locked domains in Domain Lock Manager
6️⃣ Choose unlock preference for each domain

Auto-Lock Timer (NEW):
1️⃣ Open Locksy popup and scroll to "⏱️ Auto-Lock Timer"
2️⃣ Toggle "Enable Auto-Lock" switch
3️⃣ Select preset duration (5, 15, 30, 60 min) or set custom duration
4️⃣ Choose lock scope (all tabs or active tab only)
5️⃣ Timer starts automatically and resets on any browser activity
6️⃣ Get notified when tabs are auto-locked after inactivity

Scheduled Locking (NEW):
1️⃣ Open Locksy popup and scroll to "📅 Scheduled Locking"
2️⃣ Toggle "Enable Schedule" switch
3️⃣ Set start time and end time (e.g., 9:00 AM - 5:00 PM)
4️⃣ Select days of week (Mon-Fri, weekends, or custom)
5️⃣ Choose lock scope (all tabs or active tab only)
6️⃣ Use quick presets or create custom schedule
7️⃣ Tabs automatically lock/unlock based on your schedule

Biometric Unlock Setup (NEW):
1️⃣ Open Locksy popup and go to Settings
2️⃣ Scroll to "🔐 Biometric Lock" section
3️⃣ Toggle "Enable Biometric Unlock"
4️⃣ Confirm with your fingerprint, Face ID, or Windows Hello
5️⃣ Biometric is now set — tap your reader to unlock any locked tab instantly

Keyboard Shortcuts:
• Alt+Shift+9 - Lock current tab instantly
• Alt+Shift+0 - Open Domain Lock Manager
• Alt+Shift+8 - Lock all tabs in current window
• Customize at chrome://extensions/shortcuts


🔒 WHAT MAKES LOCKSY DIFFERENT
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🆚 Better Than OS/Device Lock
- Selective tab protection (lock ONE tab, not entire device)
- Instant 1-second locking vs 5-10 seconds for device sleep
- Works during screen sharing and video calls
- No workflow disruption (keep other apps running)
- Perfect for authorized users on shared devices
- Quick unlock for specific tabs only
- Auto-lock timer for hands-free protection
- Scheduled locking for recurring protection needs

🔐 Enterprise-Grade Security (v2.0.0)
- PBKDF2 key derivation with 600,000 iterations
- 120 YEARS crack time vs 7 DAYS with basic hashing
- Centralized rate limiting (prevents bypass attacks)
- Timing attack protection (constant-time comparison)
- Advanced exponential backoff with 5-min lockout
- Live countdown timers and progressive warnings

👆 Instant Biometric Unlock (v2.3.0)
- Fingerprint / Face ID / Windows Hello support
- WebAuthn/FIDO2 — zero biometric data stored by Locksy
- Hardware-bound credential, immune to phishing
- Works on macOS, iOS, Android, Windows, and Linux
- Falls back gracefully to master password

⏰ Smart Automation (v2.2.0)
- Auto-lock after inactivity periods
- Scheduled locking for specific hours
- Day selection for work week/weekend schedules
- Smart activity detection prevents false triggers
- Persistent scheduling survives browser restarts
- Real-time status indicators

Power User Features
- Pre-configured keyboard shortcuts that work out-of-the-box
- Visual lock indicators on tab favicons
- Badge counter showing locked tabs count
- Bulk operations (lock all tabs with one keystroke)
- Fully customizable shortcuts

Revolutionary Domain Protection
- Lock entire domains with wildcard support
- Auto-lock new tabs matching domain patterns
- Flexible unlock options (tab-only, all tabs, remove lock)
- Persistent domain locks across sessions

Smart & Reliable
- Real-time feedback with live countdown timers
- Clear explanations when tabs can't be locked
- Auto-recovery after service worker sleep
- Smart temporary exemptions for domain locks
- Visual updates across all operations
- Chrome Alarms API for reliable scheduling


🆕 VERSION 2.4.0 - UNLOCK ALL TABS (LATEST!)
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🔓 UNLOCK ALL TABS
• New button in the popup — unlocks every locked tab with a single click
• True batch operation: all tabs navigate back simultaneously, not one by one
• Works across all lock types: manually locked, scheduled, and domain-locked tabs

🐛 BUG FIXES
• Fixed temporarily unlocked tabs state not persisting correctly after a scheduled lock period ends
• Service worker restart no longer causes previously bypassed domain-lock tabs to be re-locked unexpectedly

🆕 VERSION 2.3.0 - BIOMETRIC UNLOCK
• WebAuthn/FIDO2 biometric unlock — fingerprint, Face ID, Windows Hello
• Instant touch-to-unlock on any locked tab — no password typing
• Biometric credential is hardware-bound and never leaves your device
• Supports all major platforms: macOS Touch ID, iOS Face ID/Touch ID, Android, Windows Hello
• Graceful fallback to master password when biometric is unavailable
• Secure setup flow with hardware verification before enabling
• Zero storage of biometric data by Locksy — handled entirely by your OS/browser

📱 RESPONSIVE & POLISHED UI
• Fully responsive popup — looks great on all screen sizes and zoom levels
• Smooth animations and improved visual hierarchy
• Cleaner settings layout with better section grouping
• "What's New" overlay on update to highlight new features

🆕 VERSION 2.2.0 - AUTO-LOCK & SCHEDULED LOCKING
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⏱️ AUTO-LOCK TIMER
• Automatic locking after periods of inactivity
• Preset durations: 5, 15, 30, 60 minutes + custom (1-480 min)
• Smart activity tracking: clicks, keyboard, scrolling, video playback
• Timer resets automatically on any user interaction
• Real-time status display with countdown
• Desktop notifications on activation
• Lock scope: all tabs or active tab only
• Perfect for coffee breaks and meetings

📅 SCHEDULED LOCKING
• Time-based automatic locking during specific hours
• Custom start/end time with 24-hour format
• Day selection: individual days, weekdays, weekends, or every day
• Quick presets: Work Hours, Night Time, All Day
• Automatic locking when entering scheduled period
• Real-time schedule status with active/inactive indicators
• Scope options: lock all tabs or only active tab
• Supports overnight schedules (e.g., 10 PM - 6 AM)
• Notifications for schedule activation


🌐 LINKS & SUPPORT
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🌍 Official Website: https://locksy.dev
📖 Privacy Policy: https://locksy.dev/privacy-policy
🐛 Report Issues: https://github.com/vansh-121/Locksy/issues
⭐ GitHub Repository: https://github.com/vansh-121/Locksy
💖 Sponsor Project: https://github.com/sponsors/vansh-121
🎥 Tutorial Video: https://www.youtube.com/watch?v=6uyd4sN5WiA
📧 Contact: [email protected]

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🔒 Security is not a feature, it's a necessity.

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