SOWA Privacy — AI Chat Anonymizer

Protect your data in AI chats. Detects & masks personal data (names, emails, IDs) before it leaves your browser. 100% local.

SOWA Privacy — Your AI Privacy Guardian - Protect Your Data in AI Chats SOWA Privacy is a browser extension that protects your personal data when using AI chatbots like ChatGPT, Claude, Gemini, Copilot, and Grok. It automatically detects and masks sensitive information (PII) — names, emails, phone numbers, IDs, credit cards, and more — BEFORE your message leaves the browser. All processing runs 100% locally on your device. No data is ever sent to our servers. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ HOW IT WORKS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Type your message in any supported AI chatbot 2. SOWA Privacy scans the text for personal data in real-time 3. The Privacy Owl widget highlights detected PII 4. Click "Anonymize" to replace PII with safe placeholders 5. When AI responds, placeholders are automatically restored to original values Example: Before: "My name is John Smith, email john@example.com" After: "My name is PERSON_1, email EMAIL_1@masked.local" ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ KEY FEATURES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✅ Smart PII Detection — Regex patterns for 20+ data types: emails, phones, PESEL, NIP, IBAN, SSN, credit cards, API keys, JWT tokens, and more ✅ Local NER Model — Optional Named Entity Recognition using a local AI model (Transformers.js) for detecting names and addresses ✅ Local LLM Mode — 7 local language models via WebGPU for advanced anonymization (no cloud required) ✅ File Anonymization — Upload and anonymize text files, PDFs, DOCX, XLSX before sharing with AI ✅ Anonymization Dictionary — Consistent placeholders across your conversation; automatic de-anonymization of AI responses ✅ Audit Trail — Full log of all anonymization events for compliance ✅ Customizable Rules — Whitelist trusted domains, blacklist sensitive terms, create custom regex patterns ✅ Multi-language UI — English, Polish, German ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SUPPORTED AI PLATFORMS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • ChatGPT (chatgpt.com) • Claude (claude.ai) • Google Gemini (gemini.google.com) • Microsoft Copilot (copilot.microsoft.com) • Grok (grok.com) • Any website (manual mode via right-click menu) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PRIVACY & SECURITY ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔒 Zero telemetry, zero analytics, zero tracking 🔒 All PII detection runs locally in your browser 🔒 No data is ever transmitted to SOWA Privacy servers 🔒 Open source: https://github.com/Sowa-Privacy/sowa-privacy-chrome-extension 🔒 GDPR-compliant by design ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHO IS IT FOR? ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Professionals who use AI daily but handle sensitive client data • Companies that need GDPR compliance when using AI tools • Anyone who values their privacy when chatting with AI • Legal, medical, financial, and HR professionals Privacy policy: https://sowaprivacy.ai/en/privacy-policy.html Website: https://sowaprivacy.ai