ReaViewer is compact and very easy to use image viewer! It includes slide show, controlling images with one click (including rotation, zooming, mirroring, copying to clipboard, changing height, width and color resolution of the image, undoing/redoing last operation) also as batch file conversion to BMP, JPG, GIF, PBM, PGM, PNG, PPM, TGA, TIF image files with rotation, mirroring, and color resolution adjustment.