Sorry but this is now the wrong forum 
You must google some ways to automate QR code generation for big list of links.
I will check with google, But how i know if the voucher have attack with some code! Because i don’t know if any code have attack or anything like this?
Hello,
Actually i have same question with little bit change.
I want to make Guest Wifi as Barcode Scanner for login username and password.
Currently i am doing it with manually login by putting username password.
Can anyone help?
You might want to use inkscape it has some extension that allows you to generate many object thanks to a csv file thus you can automatically generate QR codes that has values from csv… in the csv you could define a column witch is the actual link made from the user name and password columns