It is an Instagram private profile viewer that allows you to search for profiles and posts on Instagram without the need for sign-up. This service available online so no extra installation files are needed. You can locate any public account that caught your eye by just typing in the Instagram online viewer’s search bar. If you have doubt whether there is a way to see an Instagram page without being registered on the site if you use this one. Typically, when you get a link directing you to one of the Insta posts and you click on it, you are instructed to sign in.