3 ms·It can only mean lossy. It makes no sense to talk about visually lossless if it is exactly the same image.by megaremote 7y agoIt can only mean lossy. It makes no sense to talk about visually lossless if it is exactly the same image.pas 7y agoPNG is truly lossless yet smaller than raw BMP.manicdee 7y agoPNG is lossless. There is no adjective or qualifier needed.