PicShrink - Version 1.3 PicShrink for windows is a useful tool for digital images. Easily compress many image formats such as bmp,jpg,gif,png,wmf,emf using a powerful image compression engine, shrink the large file size of your graphic files, optimize pictures for faster loading from the Web, e-mail smaller image files quickly and not exceeding email size limitations. Also features batch compression, and watermarking tools.