AI Data Masker

Mask personal data before sending to AI services. Protect emails, phone numbers, URLs, and custom keywords.

🛡️Mask personal data before sending to AI. Protects emails, phone numbers, URLs, and custom keywords. Free & Pro plans. ### Detailed description **AI Data Masker** automatically masks personal information in your text before you send it to AI services — keeping your sensitive data safe. **How it works:** 1. Type your message in ChatGPT, Gemini, or other AI services 2. Click the 🛡️ button — personal data is replaced with tokens like `[EMAIL_1]`, `[PHONE_1]` 3. Send the masked text to the AI 4. Click ↩️ to restore the original values when needed **Automatically detects and masks:** - 📧 Email addresses - 📞 Phone numbers (Japanese & international formats) - 🔗 URLs - 📮 Postal codes - ✏️ Custom keywords (your company names, project codes, etc.) **Supported AI services:** - ✅ ChatGPT (chatgpt.com) — Free - ✅ Gemini (gemini.google.com) — Free - ✅ Claude (claude.ai) — Pro - ✅ Microsoft Copilot — Pro - ✅ Perplexity AI — Pro **Free plan:** - Basic masking (email, phone, URL, postal code) - Up to 5 custom keywords - 10 mask history entries - ChatGPT & Gemini support **Pro plan:** - All Free features - Unlimited custom keywords - Unlimited mask history - All 5 AI services - Pre-send PII warning (alerts before submitting unmasked data) All processing is done **100% locally** in your browser. No data is ever sent to external servers.