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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.
PseudoShieldPseudonymize personal data before pasting into AI cats
Jeoffrey Vigneronleft a comment
Hey Product Hunt! 👋 I'm Jeoffrey, a Belgian lawyer specializing in AI law and GDPR. I built PseudoShield because I saw a real gap: professionals like lawyers, doctors, and DPOs want to use AI chatbots — but can't risk pasting client names, emails, or IDs into them. PseudoShield detects and replaces personal data (names, emails, phone numbers, credit cards) with consistent pseudonyms before...
PseudoShieldPseudonymize personal data before pasting into AI cats