This is a mass photo reducer. You can reduce a lot of photos, in their dimensions and size in disk. Just choose the file extension, the folder where the files are and the new dimensions. Then choose a destination folder, Thumby2 will produce new images to you, and a txt file with the name of every converted image.
With a few click's, you can produce a lot of photos to the web.

Just 10€ or 12,5$USD