PicTools - Compress & Resize is a free image resizing app. The app allows you to quickly resize and optimize photos.

It offers various options for resizing your images, you can resize by percentage, aspect ratio, or scale. You can crop and rotate images, too. PicTools will resample your images at the highest quality possible to make sure your new photos have the most realistic effects. It supports almost any photo and graphics format.

You can also crop your pictures and convert them into PNG, JPEG, or JPEG-XR format.