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 use. Whether you're an everyday user who wants peace of mind, a developer adding a layer of data-leak prevention, or an IT admin protecting a whole team, 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 happen locally in your browser. No file content ever leaves your machine. → Minimal Permissions: Only the bare-minimum permissions to hook into upload dialogs. No telemetry, no surprises. 🚀 Lightning-Fast, Ultra-Lightweight → Sub-200 KB Footprint: Installs in seconds; barely touches 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 for blistering throughput on large files. 🎯 What You Get (Free) → Real-Time Alerts: Watch Dog "barks" the moment it spots sensitive content in a text or PDF file before you upload. → Supported Formats: Plain text (.txt, .rtf, .text) and PDF (.pdf). 💎 Redaction (Pro) Upgrade to Watch Dog Pro for one-click redaction: → Redact Selected Items: Choose exactly which keywords or patterns to blind out. → Redact All: Instantly scrub every detected secret from your file in one click. → Seamless Workflow: Review, select, and download a clean copy—all inside the same modal. 🏢 Teams & Enterprise Watch Dog now supports self-serve organisation accounts for teams: → Organisation Portal: Sign up your team at the Watch Dog dashboard, get an Org ID and Enterprise Token. → Policy-Based Monitoring: Admins set domain-level upload policies; the extension enforces them silently for every team member. → Audit Trail: Every upload event is logged for compliance review. → MDM-Friendly: Deploy silently across a fleet via Chrome's managed storage (no user interaction required). 🤝 Use Cases → LLM & AI Users: Desensitise documents before dropping them into ChatGPT or any AI tool—get insights without exposing secrets. → Everyday Users: Avoid embarrassing overshares on email or social media. Quick check before uploading résumés, photos, or documents. → Freelancers & Consultants: Never accidentally send proprietary client data or credentials when sharing drafts. → IT & Security Teams: Enforce upload policies across your organisation and maintain a full audit log. 📥 Getting Started 1. Click "Add to Chrome" on this page. 2. Open any upload dialog (email, cloud drive, social media, AI tool). 3. If Watch Dog detects sensitive content, a notification will appear: • Free users can view details or dismiss. • Pro users can redact in-place and download a clean copy. • Enterprise users: policies are enforced automatically. 📝 Frequently Asked Questions Does Watch Dog ever send my file data to a server? No—never. All scanning and redaction occur locally in your browser. No content is transmitted. Does Watch Dog collect usage data? We do not collect any personal data or file content. Can I trust the detection rules? Our pattern and keyword rules are maintained by security experts and updated with each release. Will Watch Dog slow down my browsing? No. It's designed for minimal overhead—scans complete in milliseconds even on large files. How do I set up a team account? Visit the Watch Dog dashboard, sign up for a free organisation account, and follow the setup instructions to distribute your Enterprise Token via MDM or the built-in org-login page. 🌟 Why Watch Dog? → Privacy-First: Your data stays yours—always. → Comprehensive: From casual users to enterprise security teams, everyone gets an extra safety net. → Flexible: Free for detection · Pro for redaction · Enterprise for policy enforcement. Ready to stop accidental data leaks? Add Watch Dog to Chrome today and upload with confidence.