Blur

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. No account required for the free tier. Install and it works immediately. HOW IT WORKS 1. Go to chatgpt.com, claude.ai, or gemini.google.com 2. Start typing a message containing an email, phone number, or name 3. A green status pill appears in the bottom-right corner 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 "Protect All" to mask everything at once PLANS FREE — $0, no account needed - Contact & Addresses: emails, phone numbers (US and international), URLs, personal links - Names & Entities: people, companies, job titles, institutions - Individual masking and "Protect All" bulk masking - Real-time privacy score - Works on ChatGPT, Claude, and Gemini - Dark mode INDIVIDUAL — solo paid plan for power users Everything in Free, plus: - Financial & IDs: credit cards (Luhn-validated), SSNs, IBANs, passport numbers, routing and account numbers, IP addresses - Sensitive Attributes: medical conditions and medications, demographics (age, gender, race, religion, disability), financial details (salary, income), relationship status - 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 - 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 text never leaves your device - Hybrid detection using regex patterns and NLP entity extraction - No account required for free-tier detection - 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