Thumbnail Generator makes easy to create multiple thumbnails from a single image or a a batch of images in a single folder. You can define the thumbnail aspect ratio, size and percentage of the original image that you want to include in the thumbnail.
This proyect is meant to solve the need of creating thumbnails for a big amount of images, the posibility to integrate this with a photographer online portfolio, enabling the automatic generation of multiple thumbnails for each image so you can choose the one that best represents each image and display that thumbnail in a grid.