I don’t plan on joining Instagram any time soon. But I have many friends who use the service and they occasionally ask: “Did you see what John posted yesterday?” I tell them no, and then ask them to link me, at which point they throw their hands in the air and say: “Um how?”
Is there a way for Instagram users to link non-users to specific Instagram photos?
Can non-users find specific user pages without joining Instagram?
UPDATE 06/11/2012: This is now possible “natively” by going to
UPDATE 17/04/2020: But clicking any picture opens a login popup instead of details
Yes, if you know your friend’s Instagram username, you can use Webstagram. Search for his/her username and see his/her photo stream. (E.g.: Ariana Grande’s photos.) However, note that if the respective user’s profile is set to private, you can’t see the photos. Source.