Also Check: What's app web version is now available
The web version has all functions as a mobile version of Messenger. You can send a files, photos, stickers and also you can make an audio and video calls.
In mobile, you must install Messenger in order to send messages but still not mandatory for the web version.
But if you want only send messages and receive you can use the new web version of messenger, which is really easy to use.
Messenger.com now available only in English, it will come with other languages soon.
