Privacy Shield

See what websites know about you. Detects fingerprinting, trackers, and manipulative UI tricks

Browser extension that shows you what websites know about you. Detects fingerprinting, trackers, and dark patterns. 100% offline and private. Fingerprint Detection 🔍 Detects 19+ fingerprinting techniques: - Canvas - Drawing patterns unique to your GPU - WebGL - GPU renderer and vendor info - Audio - AudioContext processing differences - Fonts - List of installed fonts - Screen - Resolution, color depth, pixel ratio - Navigator - User agent, language, platform - Hardware - CPU cores, device memory - WebRTC - Local IP address leaks - Timezone - Timezone offset fingerprinting - Plugins - Installed browser plugins - Battery - Battery status API - Client Rects - Element rendering differences - Speech - Available speech synthesis voices - Storage Estimate - Available storage detection - Media Devices - Connected media devices - Permissions - Granted permissions fingerprinting - CSS Media - Media query fingerprinting - Gamepad - Connected gamepads Tracker Detection 📊 Identifies known trackers: - Google Analytics, Facebook Pixel, TikTok, etc. - Ad networks (Criteo, Taboola, DoubleClick) - Analytics services (Hotjar, Mixpanel, Segment) - Session replay tools - Social media widgets - Tracking cookies & URL parameters - Bounce trackers & beacon trackers API Monitoring Alerts when pages access: - Geolocation - Camera / Microphone - Clipboard (read/write) - Notifications - Local storage usage Dark Patterns (16 categories) Detects manipulative UI patterns: - Confirmshaming - Guilt-trip decline buttons - Visual Misdirection - Hidden/tiny reject buttons - Fake Urgency - Countdown timers, "only X left" - Pre-selection - Pre-checked marketing consent - Hidden Cost - Surprise fees at checkout - Cookie Banner Manipulation - Deceptive cookie dialogs - Obstruction - Hard to cancel/unsubscribe - Sneaking - Adding items to cart without consent - Trick Questions - Confusing double-negatives - Disguised Ads - Ads that look like content - Forced Continuity - Hard to cancel subscriptions - Nagging - Repeated popups and interruptions - Privacy Zuckering - Confusing privacy settings - Social Proof - Fake reviews/activity notifications - Roach Motel - Easy to sign up, hard to leave - Notification Spam - Excessive push notification requests Privacy Score Each page gets a privacy score (0-100) and grade (A-F) based on: - Fingerprinting techniques detected - Number of trackers - Tracking cookies - Sensitive API access - Dark patterns found Settings - Toggle individual detection modules - Sensitivity levels (low/medium/high) - Auto-scan on page load - Show badge count on icon - Notify on high-risk sites - Highlight detected elements on page - Whitelist trusted domains Statistics - Total scans performed - Average privacy score - Total trackers/patterns detected - Worst and best sites list Privacy 100% Offline & Private: - All detection happens in your browser - No data sent to external servers - No tracking, no analytics - No account required - Settings stored locally only - Open source