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Sentinel — Privacy Guard & Live Traffic Monitor

Take back control of your browser.

Sentinel is an advanced privacy and security extension that protects you from online tracking, browser fingerprinting, phishing attempts, and unwanted data collection—all while giving you complete visibility into what websites are doing behind the scenes.



Unlike traditional ad blockers, Sentinel actively monitors browser activity, detects suspicious behavior in real time, and provides a powerful dashboard to help you understand exactly how websites interact with your browser.


🛡️ Features














Fingerprint Protection

Reduce browser fingerprinting by protecting commonly abused browser APIs and limiting the information websites can use to uniquely identify your device.


Tracker Blocking

Detect and block known tracking scripts, analytics libraries, and third-party trackers before they can collect your browsing data.


Live Network Monitor

See requests made by websites in real time, including:


API calls

Background requests

WebSocket connections

Beacon requests

Tracking endpoints

WebRTC Protection


Prevent accidental IP address leaks through WebRTC while browsing.


Phishing Detection

Receive instant warnings when visiting suspicious or known phishing websites.


Form Protection

Monitor forms that may attempt to collect sensitive information and identify potentially unsafe submissions.


WebSocket Monitor

View active WebSocket connections used by modern web applications and detect unusual communication.


Privacy Dashboard

Understand your browser's privacy posture with an easy-to-read dashboard featuring:


Privacy score

Tracker statistics

Fingerprinting attempts

Security header analysis

Suspicious activity alerts

Network insights

🎯 Mission Profiles


Choose the protection level that fits your needs.

🟢 Balanced — Everyday browsing with minimal website impact.

🔵 Privacy — Enhanced privacy while maintaining compatibility.

🟠 Strict — Maximum tracker and fingerprint protection.

🟣 Developer — Protection with debugging tools enabled.

🔴 Investigation — Detailed monitoring for security analysis.

⚫ Lockdown — Highest protection for sensitive browsing.

🎨 Themes


Customize the dashboard with multiple themes, including:

Light

Dark

Midnight

Ocean

Forest

Surveillance Dark

🔒 Your Privacy Comes First


Sentinel is built with privacy as its core principle.

✔ No accounts required

✔ No data collection

✔ No telemetry

✔ No analytics

✔ No cloud storage

✔ No personal information transmitted

✔ Everything runs locally inside your browser


Your browsing data never leaves your device.

📊 Permission Transparency


Sentinel requests only the permissions necessary to provide its security features.

Permissions are used to:


Monitor network requests

Detect trackers

Block phishing websites

Analyze browser security

Display real-time protection information


Sentinel never sells, shares, or uploads your browsing data.


👥 Perfect For

Privacy-conscious users

Security researchers

Web developers

Penetration testers

Journalists

IT professionals

Anyone who wants greater visibility into their browser activity

Why Choose Sentinel?


Most browser extensions simply block ads.


Sentinel goes further by helping you understand who is trying to track you, what data is being collected, how websites communicate with your browser, and how well your privacy is protected—all through a clean, real-time dashboard.

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