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The feature supports end-to-end encryption, and hence all the chats made through it will be secure. For using WhatsApp for the Web without a smartphone, a user needs to join the beta program by following the steps given below. With the help of the feature, WhatsApp Web clients can send and receive messages over an internet connection without the smartphone acting as an intermediary device.
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The feature is called WhatsApp multi-device and is still in the early development or beta phase. Essentially, the features allow users to use WhatsApp on their computer, laptop, tablet or any other device without having an active internet connection on the smartphone.
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WhatsApp recently launched the multi-device feature that allows a user to use WhatsApp on up to four devices, independent of their primary smartphone.
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