Gumlet, ImageKit.io, CloudConvert, Creatomate, Sirv, Color Hunter, Color Palette Generator, Cloudflare Images, Shotstack, Cloudimage, imgix, Piio, Uploadcare, imgpush, tiny.pictures, Blitline, image4io, LibPixel, ElasticImageCache, ImageEngine, Tueri, Pixaven, imghaste, ImgKeeper, Cedexis, Pixboost, GetResized, Pixelcrush are some alternatives to Cloudinary.