How to rename images
To rename an image select it in the image list and press F2 on your keyboard or execute menu command Images - Rename image....
Only one image can be renamed at a time.
Renaming an image in Extreme Thumbnail Generator will rename the original image on your hard disk. Renaming is the only modification to the original images that can be done with Extreme Thumbnail Generator. For the rest of image operations Extreme Thumbnail Generator creates a copy of the original image and works with this copy.