EzQr is the tool to serve your content (menu, advertise ...etc) easy with qr code.

Browse desired subdomain related with your content, for example anitalianrestaurant.ezqr.com.tr.

You will see content creation wizard, if the subdomain didn't reserved before.

You have to set an account for managing purpose.

After complete the verification process you will be able to add your content either statically (image file or pdf) or dinamically.