WhatsApp Web brings your chats to a personal browser so you can continue conversations while doing other things. It's a way to use WhatsApp from your laptop or desktop. The app looks and feels just like the mobile app, but works on your computer's bigger screen. There's no third-party desktop client needed, and there are no updates to the PC required after the main installation has been completed. And because it connects with your phone via WiFi rather than cellular data, there's never any additional charges - even if you're still roaming...