Many people consider Instagram to be a social network that should be reserved for images created on an iPhone or another compatible smartphone. I always saw it as just another place for posting my photos, similar to Flickr or 500px. This was quite easy since I have been syncing my iPhoto library with my iPhone since 2008, and has recently been made even easier with iCloud Photo Library and the new Photos for iOS and OS X.
But using a browser is even easier …