Aegis Personal

Protect your privacy on AI chatbots. Auto-masks PII and detects prompt attacks on ChatGPT, Claude, Gemini & 25+ AI services.

Aegis Personal – AI Privacy Protection & Prompt Security Guard Protect personal data while using AI chatbots with automatic PII masking and prompt attack detection. Protect your personal data while using AI chatbots. Aegis Personal is a privacy-first AI safety extension that protects you when interacting with AI services like ChatGPT, Claude, Gemini, and more. It automatically detects and masks personal information before it is sent to AI models and detects prompt injection attacks and other AI security threats. All analysis runs locally in your browser — your data never leaves your device. 🔒 Privacy Protection (PII Proxy) • Automatically detects and masks personal information before it is sent to AI • Supports Social Security numbers, credit cards, emails, phone numbers, passport numbers, and Korean RRN • Pseudonymized data is sent to AI services • AI responses are automatically restored with your original data 🛡 9-Layer Threat Detection • Prompt injection & jailbreak detection • Data extraction attempt blocking • Social engineering pattern recognition • Korean/CJK script evasion detection • Encoding attack detection (Base64, ROT13, etc.) • Multi-turn attack signal analysis • ML-powered classification (on-device ONNX model) ⚡ Silent by Default • No annoying popups for safe conversations • Shield icon indicates protection status • Alerts appear only when real threats are detected • Weekly protection reports show your safety stats 🌐 Wide Compatibility Works with 25+ major AI chatbot services. See our homepage for the full list of supported sites. 🔐 Privacy First • 100% local processing — no data sent to external servers • No account required • No tracking or analytics • Open source (AGPL-3.0) Aegis Personal — Use AI safely.