📱 Local Storage: Saved on your device only, not synced to cloud.
🔓 No Login: Works instantly, no account needed.
🖥️ Device Specific: Won't sync between different browsers or devices.
🔒 Private: Only you can see them.
⚠️ Important: Clearing browser data will delete favorites.
🕵️ Incognito Mode: Favorites deleted when window closes.