ksResizer

From Kelly Software:

It's an image resizing program that is packed with features. You can resize images, create thumbnails, rotate, change the dpi, add borders, add shadows, round the corners, change the compression ratio, and much more! Its feature include resize images,rotate images,convert image formats (to and from: jpg, gif, tiff, bmp, jpg2000, raw, pcx, png, etc). You can also add prefixes and/or suffixes to the filenames,create thumbnails and image compression.