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Description
See what you share with every website — permissions, trackers, cookies, fingerprinting — and take control of your privacy. LeakLens is a privacy inspector that shows what data websites can access and what privacy risks appear while you browse. Analyze trackers, cookies, fingerprinting attempts, WebRTC and network leaks, security headers, permissions, redirects, and URL tracking parameters directly in the browser. 🔍 REAL-TIME PRIVACY AUDIT • See a privacy score from 0 to 100 and a risk grade from A to F for the active website • Review trackers, cookies, fingerprinting signals, security headers, and permission activity in one view • Follow a timeline of privacy-relevant events for each domain 🛡️ TRANSPARENT TRACKER BLOCKING • Block trackers in Balanced, Strict, or Custom mode • See which rule matched and why a request was blocked • Manage domain-level rules and editable tracker lists without external connections 🔐 FINGERPRINTING DETECTION • Detect Canvas, WebGL, Audio, and WebRTC fingerprinting attempts in real time • Use Detect, Prompt, or Mitigate modes depending on how much control you want • Review per-signal counters and last-seen timestamps 🧹 URL AND REDIRECT CLEANER • Remove UTM, gclid, fbclid, and other tracking parameters from URLs • Edit the parameter list to match your own privacy preferences • Clean redirects and navigation events quietly in the background 🌐 WEBRTC AND NETWORK LEAK SHIELD • Help prevent WebRTC IP leaks by controlling browser IP handling behavior • Detect and block requests to private IP ranges • Review TLS and certificate details where the browser platform allows it ⏱️ TEMPORARY PERMISSIONS • Grant geolocation, camera, microphone, or notifications only for a limited time • Use Allow once, 10 minutes, 1 hour, or Always • Automatically revoke temporary permission grants when the timer expires 🔒 SECURITY HEADERS AND SESSION CONTROL • Analyze HSTS, CSP, Permissions-Policy, X-Frame-Options, and related headers • Use a Security Posture Score from 0 to 100 with actionable recommendations • Isolate tab sessions and manage cookies per domain 📌 PANEL, OVERLAY AND QUICK ACTIONS • Use a clean popup with tabbed navigation and live scores • Pin a draggable overlay on supported pages while browsing • Run quick actions from the context menu, including inspect, shield, clear data, and open in isolation 🧠 UNDERSTAND WHAT SITES SHARE Make trackers, cookies, fingerprint scripts, URL tracking parameters, security headers, permissions, and network leaks visible in one focused interface. Explainable results help you understand what happened, why it matters, and what action you can take. 🔒 PRIVACY FIRST The extension does not collect personal data, track browsing behavior, run analytics or profiling, or contact external servers. Domain rules, event logs, and settings are stored locally in the browser and remain on the device. 🏢 ABOUT THE AUTHOR LeakLens is developed by POLPROG, a Polish technology company creating browser extensions, web applications, and mobile apps with a focus on privacy. Website: https://polprog.pl/ LeakLens product page: https://polprog.pl/apps/LeakLens/ Browser version: https://addons.mozilla.org/firefox/addon/leaklens/