Mac users interested in Imagesizer by psyked generally download:
You can import images, rotate them, crop them and resize the lot and output them to your machine.
ImageSizeReducer - Convert pictures, reduce image sizes.
Supporting not only the main file formats as .JPG, .PNG, .BMP, .GIF and .TGA, Image File Reducer also reads and writes a wide range of specialized formats, from Windows icon .ICO files over various Digital Photo RAW formats to Photoshop .PSDs. For a detailed list, see below.
