CoverGuard

CoverGuard permanently covers sensitive information in images and PDFs with solid colors before sharing. Perfect for security professionals, privacy advocates, and anyone handling confidential data.

KEY FEATURES:
🎨 Solid color coverage (100% irreversible protection)
🎨 Customizable colors (black, white, red, or any custom color)
🖱️ Eyedropper tool - pick colors directly from image
🔒 Automatic metadata removal (EXIF, GPS, etc.)
🔍 Zoom & pan for precision
📂 Drag & drop file loading
↶ Undo/Redo functionality
⌨️ Keyboard shortcuts (Ctrl+Z, Enter, Esc)

PRIVACY FIRST:
All processing happens locally in your browser. Your files never leave your device. No uploads, no tracking, no data collection.

PERFECT FOR:
- Security researchers redacting vulnerability reports
- IT professionals hiding credentials in screenshots
- Healthcare workers protecting patient information (PII)
- Legal professionals redacting documents
- Anyone handling sensitive or confidential data

SUPPORTED FORMATS:
- Images: PNG, JPG, JPEG, WEBP
- Documents: PDF (text and scanned)

HOW TO USE:
1. Download an image or PDF
2. Extension shows notification: "Cover sensitive data?"
3. Click "Open Editor"
4. Choose your cover color
5. Drag over sensitive areas
6. Press Enter or click Save
7. Done! File saved with "_covered" suffix

SMART NOTIFICATIONS:
Toggle notifications on/off with one click. Auto-pause feature prevents notification fatigue.

100% SECURE:
Zero external dependencies. Open source and transparent. All code available on GitLab.