[pxndxx]

The details were destroyed long ago by the poor compression, you aren't getting them back either way.

[axiolite]

You're talking utter nonsense.

Get a picture of grass, save it as a JPEG at 15% quality... It still looks like grass. Then run it through jpeg2png... The output looks like a green smear. You might not even be able to tell that it's supposed to be grass. jpeg2png just blurs the hell out of images.

Here's a side-by-side: https://ibb.co/99C0F34d