OptiPNG 0.7 for Mac can be downloaded from our website for free. The software relates to Design & Photo Tools. This free Mac app was originally produced by Cosmin Truta. Our antivirus analysis shows that this Mac download is virus free.
From the developer:
OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM, and TIFF) to optimized PNG, and performs PNG integrity checks and corrections where needed.
You may want to check out more software for Mac, such as PNG Compressor or PNGshrink, which might be similar to OptiPNG.