PII Guardian - AI-Powered LLM Protection
AI-powered PII detection using on-device AI. Automatically masks personal data before sending to ChatGPT, Claude, Gemini & more.
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PII Guardian — AI-Powered PII Protection for ChatGPT, Claude and Gemini
Stop accidentally leaking personal data to LLMs. PII Guardian is a Chrome extension that runs an on-device AI model directly in your browser — no servers, no API calls, your data never leaves your device.
What it detects and masks automatically:
Names (AI-powered)
Email addresses
Phone numbers (all international formats)
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