PseudoShield
Pseudonymize personal data before pasting into AI cats
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About
Free, open source browser extension (Chrome + Firefox) that intercepts Ctrl+V on AI platforms and replaces personal data with deterministic pseudonyms before the text reaches the chat. 35 detection patterns (names, IBANs, national IDs, emails, phones, credit cards) with math validation. Works on ChatGPT, Claude, Gemini, Copilot, DeepSeek, Perplexity. 100% local. Zero network calls, zero tracking. GDPR Art. 30 audit log included. Built for lawyers, DPOs, doctors, and accountants.