imgopt – PNG And JPEG Image Optimization
Posted on January 20, 2010 by linuxandfriends
Imgopt is a bash script that makes use of different image optimization command line tools to drastically reduce the size of your JPEG and PNG images with minimal loss in quality.
Read moreOptipng – Advanced Command Line PNG Image Optimizer
Posted on July 17, 2009 by linuxandfriends
Optipng is a PNG image optimizer that re-compresses image files to a smaller size, without losing any information. This command line program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.
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