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Description
Zero-knowledge privacy for AI chats. Redacts PII before it reaches ChatGPT, Claude, or any LLM. Description: Keystone Privacy Shield detects and redacts sensitive information — names, email addresses, phone numbers — before your prompts reach any AI service. When the AI responds, Keystone restores the original data locally. The AI never sees your real information. How it works: 1. You type a prompt as normal in ChatGPT, Claude, or any AI chat 2. Keystone automatically detects personal data in your message 3. Sensitive information is replaced with safe placeholders before sending 4. The AI responds using placeholders 5. Keystone restores your real data in the response — only you see it Key features: • Automatic PII detection (names, emails, phone numbers) • Works with ChatGPT, Claude, Gemini, and other AI tools • All processing happens locally on your device — nothing is sent to external servers • Restore original data with one click • Toggle redaction on/off per conversation • Enterprise-ready: AES-256-GCM encrypted vault for placeholder mapping Why Keystone: • Zero-knowledge architecture — we never see your data • No cloud dependency — works fully offline • GDPR-compliant by design • Built for European enterprise privacy standards Keystone Privacy Shield is developed by Data Dynamics AI.