PromptMask

Protect your personal information in AI chatbot prompts by replacing sensitive data with placeholders before submission.

PromptMask is a privacy-first Chrome extension designed to protect your sensitive personal information when using popular AI chatbots like ChatGPT, Claude, Grok, and Qwen. With a single click, PromptMask replaces your configured personal data—such as names, email addresses, and other PII—with generic placeholders before your prompt is ever sent to the AI service. ✅ Key Features: - One-click protection with a “Protect” button integrated directly into chat interfaces - Local-only processing – your data never leaves your browser - Supports major AI chat platforms: ChatGPT, Claude, Grok, Qwen - Fully customizable personal info settings - Clean, intuitive UI with seamless platform integration - No data collection, tracking, or remote storage 🔒 How It Works: - Add your personal information in the extension's settings - Click the "Protect" button before sending your message - PromptMask replaces private details with placeholders like __FIRST_NAME__ - Submit your prompt confidently, knowing your privacy is protected