Chrome Web Store Screenshot Requirements:
- Format: PNG, JPEG
- Size: 1280x800 or 640x400 (recommended: 1280x800)
- Max size: 1.2MB per screenshot
- Minimum: 1 screenshot, Maximum: 5 screenshots

Recommended Screenshots:
1. popup.html - Main extension popup showing saved conversations count
2. chatgpt.com - Auto-save in action (showing notification)
3. aimemory.pro/search - Search results across platforms
4. aimemory.pro/upload - Upload interface

Take screenshots using Chrome DevTools:
- F12 → Ctrl+Shift+P → "Capture full size screenshot"
- Or use browser extension "Full Page Screen Capture"
