Google Photos can backup photos in the most popular formats ... Just launch the app, tap on the "+" icon at the bottom-right ...

The Google Photos app on mobile devices has a built-in sync feature that saves copies to Google's cloud but can also export to your device, providing a quick way to back up photos offline.

To replicate the steps on Mac, connect your phone to the computer ... above — many third-party backup options are also ...

as long as their phones are configured to automatically back up photos on Google+. “Unless you’re a budding Ansel Adams, odds are you take most of your photos using your phone,” Google wrote ...