How to show hidden files on mac without Terminal
On MacOS Sierra you can use shift ⇧ + cmd ⌘ + . shortcut on keyboard to toggle between 2 states. No need for any plugin/app. It works out of the box.

You can see it here in action: https://www.youtube.com/watch?v=pdLjJU_kAT8&amp;feature=youtu.be