Create a simple Finder service with MacOS Automator which is capable of generating thumbnails for a wide assortment of image file types. This service saves all generated thumbnail files into a dedicated folder inside the source folder.
To begin start
Service and click
This will open a new empty service window. On the left will be all of the available actions. These can be dragged into place to create the automator service.
This automation service consists of 3 steps.
- Determine the source folder with the images.
- Create a destination folder inside the source folder.
- Copy selected image files into the destination folder and scale them.
The input for the Automator service will be the selected image files in Finder. These are passed as input to a shell script which returns the full path of the selected image files. The location is then set as the value of the
Next the service creates a new folder (called
low in this example) inside the source folder stored in the
Path variable. The destination folder path is then set as the value of the
The last step copies all of the selected image files into the destination folder stored in the
Storage variable. The copied images are then scaled to the specified width (128px in this example).
Save the service as
To use, select any image or images in Finder, right click and select