Dropbox is a file hosting service provided by Dropbox Inc. It allows you to backup photos, videos and files to cloud storage service to access them from anywhere. It offers 2 GB of free storage space to all its users. Google Photos is a photo and video storage service by Google Inc. It provides free and unlimited storage for photos and videos. Backing up photos from Dropbox to Google Drive is easy. In just few steps you can easily save & backup photos to Google Photos.