Safe Privacy Mask

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Safe Privacy Mask is a Chrome extension that detects and replaces sensitive information in input fields before data is sent to external services. The extension identifies emails, phone numbers, API keys, tokens, IP addresses, credit card numbers, and region-specific IDs, replacing them with customizable tokens directly in the input field. Detection and masking occur locally on the device, ensuring no personal data is sent to external servers. The extension supports AI chat platforms like ChatGPT, Claude, Gemini, and Copilot, and works with any web form via manual field registration. Users can create unlimited custom replacement rules using word matching or regular expressions, with options for case sensitivity and whole-word matching. Masking can occur in real time, upon pasting, or before sending. No account creation, ads, or tracking is required, and settings are stored locally. Advanced features include checksum validation for credit card numbers and timeout protection for rules.