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Detects emails, phone numbers, names, and personal data in ChatGPT, Claude, and Gemini so you can mask them before sending Blur detects emails, phone numbers, names, and personal data in ChatGPT, Claude, and Gemini so you can review and mask them before sending. All detection runs 100% locally — your prompt text never leaves your device. A free account is required; sign up in seconds right from the extension. HOW IT WORKS 1. Go to chatgpt.com, claude.ai, or gemini.google.com 2. Click the "Sign in to activate" pill in the bottom-right corner and create a free account 3. Start typing a message containing an email, phone number, or name 4. When sensitive data is detected, the pill turns yellow or red and shows a count 5. Click the pill to see all detected items 6. Click "Mask" on any item, or "Mask all detections" to mask everything at once PLANS FREE — $0, just create an account - Detects the three most common identifiers: people's names, email addresses, and phone numbers (US and international) - Individual masking and one-click "Mask all detections" - Real-time privacy score - Works on ChatGPT, Claude, and Gemini - Dark mode INDIVIDUAL — solo paid plan for power users Everything in Free, plus all remaining detection categories: - Contact & Addresses: locations and mailing addresses, links and URLs - Names & Entities: companies, job titles, schools and institutions - Financial & IDs: credit cards (Luhn-validated), SSNs, IBANs, passport numbers, routing and account numbers, IP addresses - Sensitive Attributes: health and medical, age/gender/identity, religion and beliefs, relationships and family, sensitive dates - Aggressive Mode: dates, 9-digit SSNs, driver's license patterns, and other rare formats - Smart Placeholders: realistic replacements (e.g., "John Doe", "johndoe@example.com") instead of bracket tags - Granular per-type detection toggles — turn each detection type on or off - Personal allowlist — skip detection on terms you choose - Personal analytics: redactions, categories, top rules - Settings sync across devices ENTERPRISE — team plan, per seat Everything in Individual, per seat, plus: - Shared admin dashboard for team, billing, and policies - Role-based access control (owner, admin, member) - Shared custom rules, allowlist, and detection policies - Per-member analytics and alerts - Priority customer support ONE-CLICK MASKING Replace detected items with safe placeholders: - "Dr. Sarah Chen" → "[name]" - "sarah@company.com" → "[email]" - "555-867-5309" → "[phone number]" - "https://linkedin.com/in/schen" → "[URL]" Individual and Enterprise users get Smart Placeholders with realistic replacements like "John Doe" and "johndoe@example.com". PRIVACY SCORE See your message safety at a glance: - Green (100%): No sensitive data detected - Yellow (70-99%): Some data found, review recommended - Red (below 70%): High-risk content, mask before sending KEY FEATURES - Real-time scanning as you type - Works on ChatGPT, Claude, and Gemini - 100% local processing — your prompt text never leaves your device - Hybrid detection using regex patterns and NLP entity extraction - Granular detection controls with per-type toggles - Report an issue directly from the extension's settings - Dark mode support - Zero prompt data collection CHROME ENTERPRISE Blur can be force-installed or pre-approved through Chrome Enterprise policies (ExtensionInstallForcelist / ExtensionInstallAllowlist) for managed device deployment. SUPPORTED PLATFORMS - ChatGPT (chatgpt.com) - Claude (claude.ai) - Google Gemini (gemini.google.com) SUPPORT Questions? Contact us at maya@blurprivacy.app Website: https://blurprivacy.app