PIXresizer is a free image resizing program which helps you easily create web and email friendly versions of your photos which are also small in size. You can choose several different resizing methods and it can automatically suggest you the best fit size based on the image parameters.

It supports a lot of different file formats and you can convert between different file formats. Other features include image rotation, conversion to grayscale and saving of EXIF data. You can also work with multiple images in Batch mode. You can also use it to create thumbnails quickly. All the modified files are saved to a separate folders and your original files are intact.

It is a freeware and works with all the version of Windows.