The PNG can be easily re-compressed in a lossless manner with optipng. "optipng -o7" will try many possible combinations of compression strategies and color-reindexing to get the smallest possible PNG file.
The PNG can be easily re-compressed in a lossless manner with optipng. "optipng -o7" will try many possible combinations of compression strategies and color-reindexing to get the smallest possible PNG file.