Convert your JPG file to PNG format online free, making use of suitable compression methods. This tool does not ask for your email address and additionally login not required. PNG is a raster image information storage structure that makes use of lossless compression algorithm to deflate. PNG used to be created as a free format to change GIF. PNG helps three major sorts of raster images: grayscale image, a color listed image and the color image. PNG structure stores graphical information in a compressed form..