Vibegard

A privacy-focused Chrome extension that automatically detects and masks sensitive data (emails, API keys, addresses, custom patterns) before sending text to LLMs like ChatGPT, Claude, or Gemini.

## Features

- **Contextual Masking**: Right-click on selected text to mask sensitive data
- **Auto Mask Mode**: One-click "Mask All" to detect and mask all sensitive data on the page
- **Manual Masking**: Select text and use context menu or popup to mask
- **Custom Patterns**: Add your own regex patterns for company-specific data, project codenames, etc.
- **Local Storage**: All patterns and settings stored locally (no cloud sync)
- **Visual Feedback**: Highlights masked content and shows notifications
- **Custom Mask Tokens**: Choose how masked data appears (default: `*****`)