You can try Boxoft Batch Photo Resizer to cusmoize width and height of picture,you can adopt one from 4 kinds of processing method: "Restrict width", "Restrict height", "Fit image" and "Ingnore proportion" base on need. it also allows you to rename, rotate, etc pictures. converting resized pictures to other formats: tif, bmp, gif, jpg, ico, j2k, png,tga, pcx, etc which make the perfect.
More detail follow steps below:
Click "Add" or "Add Folder" button to add pictures;