Quick commands:
When we say PNG to PNG better, we mean improving one or more of these attributes: png to png better
Unlike lossy formats (JPG), PNG uses DEFLATE compression (the same as zlib). But not all PNGs are created equal—many tools generate bloated PNGs with unnecessary chunks, inefficient filters, or unused color palettes. Remove unnecessary metadata
Transform a source PNG file into a better target PNG file without changing the format. “Better” is defined across three axes: Lossless compression