PhotoBatch

For all Windows operating systems thru Windows7 (Windows 9x Me XP 2000 NT Vista Win7)
PhotoBatch is freeware.

It is completely free and contains no adware, spyware, or other malware embedded.
PhotoBatch does batch processing, format conversion and renaming of image files. Scripts of commands including input and output setup can be saved and loaded for reuse. A batch script may be run on a single image, on a folder, or on a list of files and folders. Script commands may be tested and run on a sample image. Includes 91 commands and supports 10 image file formats (jpg, gif, bmp, png, tif, pcx, tga, wmf, emf, psp) plus various camera raw formats (Canon, Nikon, Kodak, FUJI, Olympus, Pentax, Sony etc.).