TinyPNG - Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
Vallen jpegger - Vallen JPegger is the international, handy, and full featured image viewer, which shouldn't be...
Image Compressor by RedKetchup - Compress the file size of a PNG, JPEG, WEBP, or HEIC image online. Reduce the image dimensions based on KB or MB. Improve the quality of PNG compression with dithering.
Cloudimage - Cloudimage.io is the easiest way to resize, store, and deliver your images to your customers through a rocket fast CDN.
TinyJPG - Compress JPEG images with perfect quality and file size
ImageOptim - Faster web pages and apps.