You can use Boxoft Batch Photo Resizer to control width and height of picture, it is also a image format converter, you can also convert resized pictures to other formats: tif, bmp, gif, jpg, ico, j2k, png,tga, pcx, etc. it provides 4 kinds of processing method: "Restrict width", "Restrict height", "Fit image" and "Ingnore proportion" which you can adopt base on need. it also allows you to rename, rotate, etc pictures.
More detail follow steps below:
Add photos by triggering button "Add" or "Add Folder";
Define width and height of original images on the panel buttom middle;