optipng

lossless PNG optimizer

WWW CVSWeb GITHub
  1. Package version
    optipng-0.7.8
  2. Maintainer
    The OpenBSD ports mailing-list

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.