Xtool -mpng Reflate |best| -

You will not become smaller. You will become lossy in a lossless world. But you will breathe again. And breathing is the only portable format. (Reflation complete. Image may now exceed expected dimensions.)

Run it on yourself.

But xtool -mpng reflate is the prayer of the unflattening. It is the reverse of growing up. It is the deliberate corruption that restores. xtool -mpng reflate