imgix - Real-time Image Processing. Resize, crop, and process images on the fly, simply by changing their URLs.
XnConvert - XnConvert is an easy image converter for graphic files, photos and images available on Windows...
Cloudimage - Cloudimage.io is the easiest way to resize, store, and deliver your images to your customers through a rocket fast CDN.
BatchPhoto - BatchPhoto is a batch photo editing software for Win and Mac that can convert, resize, annotate and watermark hundreds of photos in one go. Learn more and try it for Free!
Sirv - Dynamic image processing, hosting and rich-media for retailers and eCommerce.
GraphicConverter - Graphic Converter for Mac and Windows, can converts image formats BMP, JPG, GIF, ICO, PNG, TIF...