The Ashes

Technology, Science and other news
August 17, 2009

punypng: crushing your images even more

Posted by : admin
Filed under : General

Conrad Chu, Design Director at Ask.com, thought he needed an image compression tool better suited for designers and front-end developers (compared to smush.it) and scratched the itch with pungpng.

punypng is serious about image compression — it handles 8-bit PNGs, 24-bit PNGs, JPEGs, GIFs and animated GIFs. It also leverages dirty transparency techniques to further optimize transparent images beyond what typical compressors like pngcrush can handle.

Features

  • Fully supports for PNG, .GIF, .JPG
  • Clear affordances for # of bytes saved (as well as being pretty bar graphs)
  • JPEG Compression — punypng doesn’t leave JPEGs out in the cold.  JPEGs are analyzed to see if a compressed PNG format is better (ex: JPEGs with heavy solid areas benefit from this).  But if not, don’t despair, punypng is backed with jpeg-tran and jpegoptim for further JPEG optimzation.
  • “Fire-and-forget” batch processing: You can upload up to 50 files in a single session.  Optimized versions are clearly labeled, and if no further optimization can be made to the uploaded file, you get the original back untouched.  After you upload a batch, you can go ahead and upload another batch without having to reload the page.
  • Download batch jobs as a single time-stamped ZIP.
  • See the changelog for future updates

More info

Ray Cromwell had an informative note (as per usual):

Also add AdvancedCOMP’s superior-than-zlib/gzip compression which they don’t appear to be using.

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