You can use chimty,me allow to create free url shortner.
It’s supported country and device base url.
If your amazon affiliate link base on Canada and USA in that case you have to create 2 different url to make commission. If some one click from canada and click amazon USA affiliate link you will not make commission.
chimty,me supported country base url but your final short url will be one.
your Final URL is = chimty.me/amctk
this system automatically redirect to USA affiliate link if someone click from USA
if click from CANADA it’s redirect to amazon canada.
It’s also supported Device base URL redirection.