PicShrink is an image compressor to edit, convert and compress digital images. Easily optimize many image formats such as jpg, gif, png, bmp using a powerful image compression engine, shrink the large file size of your photo files, optimize pictures for faster uploading to the Web, e-mail smaller image files quickly and not exceeding email size limitations. PicShrink can be started directly from Windows Explorer to optimize image folders without opening the program. More features: Add Watermarks and adjust contrast, lightning and intensity. PicShrink free trial version can be tested for 30 days without any limitations.