The Image Resizer is a Python program that allows you to resize images quickly and easily. It provides a user-friendly graphical interface for selecting an image file, choosing the desired output dimensions, and saving the resized image to a specified location.
Pycture Resizer is a little utility used to resize pictures. It supports various image formats and is written in Python. It features a nice GUI created with wxPython and file drag'n'drop. (wxPython and PIL needed)