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This tool was developed by security experts after a deep research, it's ready to block the most trend and sofisticated trackers. 🧿🌐FINGER – Live‑Time Browser Fingerprinting Shield Protect your privacy at its deepest layer. ➡️ FINGER is a powerful Chrome extension designed to detect and block browser fingerprinting as it happens. Instead of relying on outdated blocklists, FINGER monitors actual behavior inside the browser—catching hidden tracking scripts that other tools miss. Why Choose FINGER? Browser fingerprinting allows websites to identify you by collecting subtle details about your device—even with cookies disabled. Most privacy tools never look at this layer of tracking. FINGER changes that by offering: 🛡️ Live-Time Protection Blocks fingerprinting attempts the moment they occur—before any identifying data leaves your browser. 🧠 Behavior-Based Detection Finds fingerprinting scripts even when they’re obfuscated, dynamically injected, or designed to evade filter lists. 📊 Entropy Insights Each attempt is analyzed and scored with an approximate entropy value, giving you visibility into how “unique” you appear. 🔒 100% Local & Private All analysis happens directly in your browser. No data is ever sent anywhere. 🔧 Minimal Permissions Uses only what’s necessary (ActiveTab), reducing risk and aligning with best security practices. 🧩 Modular, Extensible Architecture Easily add new detection or blocking rules—perfect for advanced users and researchers. 💻 Open Source Community-driven, transparent, and available under the MIT license. Key Features ⚡🔴 Live Fingerprinting Detection Instantly see when a website tries to gather identifying metrics. ⚡🕵 Comprehensive JavaScript Interception Monitors method calls, property access, and API usage linked to fingerprinting. ⚡📟 Clean, Intuitive Dashboard View logs, entropy scores, and blocked attempts with ease. ⚡🎓 Research-Grade Toolkit Built for privacy enthusiasts, academics, and developers auditing web applications. ⚡🔜 Future-Proof Design Ready for upcoming enhancements, including iframe inspection and cross-browser support. Who Is FINGER For? 👤 Privacy-Conscious Users Block invisible tracking while browsing. 👨🏻🏫 Researchers & Educators Study real-world fingerprinting techniques in controlled environments. 🙍🏻♂️ Web Developers Audit your own sites for accidental or legacy fingerprinting logic. 👩🏼💻 Open-Source Contributors Improve detection modules, extend coverage, and help the community grow. How FINGER Works ➡️FINGER uses advanced JavaScript interception techniques, including: 🪖 Method Overriding ⛊ Property Redefinition 🤺Proxy Wrapping for Dynamic Objects These techniques allow precise, live-time blocking without degrading your browsing experience. How FINGER Compares ➡️ Tools like AdBlock Plus, uBlock Origin, Privacy Badger, and Disconnect rely on static filter lists. FINGER complements them by targeting behavioural fingerprinting, a type of tracking most extensions do not inspect. 🔜 Future Roadmap 🌕Enhanced iframe and embedded context detection. 🔭Cross-browser compatibility (Firefox, Edge, Safari). .𖥔 ݁ ˖ִ🛸༄˖°. Configurable user policy engine for custom blocking strategies. 🚀Integration with research platforms for large-scale studies. Open Source & Community Explore or contribute here: 🫂 https://github.com/vortexcolab Changelog v1.2.1 — Adjusted action height to 100% to ensure all content is fully visible. v1.2.2 — Fix: Preserve original constructor prototype when wrapping constructors to avoid breaking built-ins. v1.2.3 — Restore native Uint8Array via Reflect.construct to preserve original constructors/symbols and prevent uncaught TypeErrors. v1.2.4 — Fix: Ensure Node.prototype.appendChild is intercepted instead of HTMLElement.prototype.appendChild to maintain correct prototype chain behavior and prevent breaking DOM operations in complex SPAs (e.g., Jira). v1.2.5 — Fix: Corrected a conditional logic error in the entropy calculation that was preventing accurate results. Updated the “Send your feedback” action to redirect users to GitHub Issues.