ResizeIt
easily resize multiple images all at the same time. Clean easy to use interface turns even a novice into a pro. Simply select all of the images that you want to resize or convert. Directly supports reading of Jpg, Gif and Bmp. Select the folder to save all new images into. Set your new width and height. Select a background color if you choose to reshape the images from rectangle to square. Select the new format to save to such as Jpeg, Gif, Png, Tiff or Bmp. Click start resizing and your done.