XnView Software

Thanks for your help. Is there a suffix/file type in XNView that's lossless? to which I can convert a jpeg of 30-50MB? I feel like the shrinkage is beyond the limit, as you put it, perceptible to my naked eye.

Can't a jpeg convert to something else? How come those other files I saved as JPEG 2000 ...

I have a few JPEGs, 30-50MB each, that want to make alterations to, then save without losing too much data. Each time I save them after making minimal alterations (color, levels, no cropping), the file goes from very large to about 20-30% of its original size in MBs. Why is that? If the file is ...