If you want to work with your files directly in the clouds, you can easily with Air Live Drive. Add many of the most relevant clouds such as Mega, Google Drive, Onedrive, Naver, … as local disks on your computer and manage your files. For example, you can work with Photoshop files (psd, jpg, png,..) saved in your Google Drive, you can open them from the cloud on your computer and work on them, once the work is finished they are already saved in your Google Drive.
To start you just have to download Air Live Drive here:
Once the program is installed you can follow the following steps:
Step 1. Add your Google Drive account in Air Live Drive.
Step 2. Assign the Google Drive account to a local drive letter.
Step 3. Search Windows Explorer for your Google Drive disk with your Photoshop files (psd, jpg, png,..).
Step 4. Double-click on your Photoshop file to open it.
Step 5. Edit and save your Photoshop file.
You can check more information here:
-Work with your Power Point presentations directly on Google Drive
-How to edit Word files in Google Drive