Watch Dog

Prevent data leaks: Watch Dog scans uploads for private info and alerts you in real time before you share sensitive data.

Watch Dog is your personal guard dog for file uploads—lightweight, privacy-first, and free to scan. Whether you’re a non-technical user who just wants peace of mind or a seasoned developer seeking an extra layer of data-leak prevention, Watch Dog gives you real-time alerts whenever you’re about to share sensitive information online. 🔒 Privacy & Security You Can Trust → Zero-Data Retention: All scanning and redaction happens locally in your browser. No file data ever leaves your machine, and Watch Dog purges all temporary data immediately. → Minimal Permissions: Only the bare-minimum browser permissions needed to hook into file-upload dialogs. No sneaky back-doors or surprise telemetry. 🚀 Lightning-Fast, Ultra-Lightweight → Sub-200 KB Footprint: Installs in seconds and barely registers on your CPU or memory. → Instant Scans: Pattern-based detection runs in milliseconds—never slows you down. → Optimized Engine: Pure JavaScript core with WebAssembly–powered regex libraries for blistering throughput on large files. 🎯 What You’ll Get (Free) → Real-Time Alerts: Watch Dog “barks” whenever it spots sensitive content in a text or PDF file before you upload. → File-Type Support: Plain text (.txt, .rtf, .text), PDF (.pdf). 💎 Redaction (Pro Feature) Upgrade to Watch Dog Pro for one-click redaction: → Redact Selected Items: Choose which keywords or patterns to blind out. → Redact All: Instantly scrub every detected secret from your file. → Seamless Workflow: Review, select, and download a redacted copy—all within the same modal. 🤝 Use Cases & Scenarios → LLM & Privacy-Conscious Users: Desensitise work-related or personal documents before dropping them into ChatGPT or any other large-language model—so you can get summaries, translations, or insights without exposing sensitive details. → Everyday Users: Avoid embarrassing overshares on social media or email—get a quick check before uploading resumes, photos, or documents. → Freelancers & Consultants: Never accidentally send proprietary client data or credentials when sharing drafts or demos. 📥 Installation & Getting Started → Click Add to Chrome on this page. → Open any upload dialog (email, cloud drive, social media). → If Watch Dog spots sensitive content, a notification will “bark”: – Free users can view or dismiss. – Pro users can redact in-place and download a clean copy. 📝 Frequently Asked Questions → Does Watch Dog ever send my data to a server? No—never. All scanning and redaction occur locally, and no content is transmitted. → Does Watch Dog collect any usage data? We value your privacy and DO NOT collect any personal or file data. → Can I trust the detection rules? Absolutely—our pattern and keyword rules are continuously updated by security experts. → Will Watch Dog slow down my browsing? It’s designed to be ultra-efficient. Scans and (Pro) redactions run in the background and complete in milliseconds, even on very large files. 🌟 Why Watch Dog? → Privacy-First: Your data remains yours—period. → Comprehensive: From casual users to security pros, everyone benefits from an added safety net. → Flexible: Free for detection; Pro for the power to redact on the fly. Ready to stop accidental data leaks? Add Watch Dog to Chrome today and upload with confidence!