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.
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.
TinyJPG - Compress JPEG images with perfect quality and file size
XnConvert - XnConvert is an easy image converter for graphic files, photos and images available on Windows...
TalkJarvis Image Compressor - Online Image Compressor – Compress any type of image online
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.