Connecting to WiFi is impossible without entering the Password & to
remember it is a tough task when you have WiFi connections at different
places like home, office, factory etc. Also, when we visit out
friends/relatives or they visit us - asking for the WiFi code is an
awkward thing. So, here is the best & easiest solution for this...
It's a free
service to generate QR codes online for WiFi access on Android
devices.Simply enter the wireless router access parameters and click on
the 'Genrate WiFi QR Code' button.
LINK
JUST GIVE IT A TRY YOU MIGHT LIKE IT