This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

Image Optimizer


Reduce uploaded images’s size with Optipng and Jhead. There is no option for this plugin.

It only reduce size of png and jpeg files. If you want to use other format, please convert them before uploading.


Change log:

  • 3/29/2009 1.0: Initial release.


  1. Upload image-optimizer.php to the /wp-content/plugins/ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Upload a png or jpeg to test it

Contributors & Developers

“Image Optimizer” is open source software. The following people have contributed to this plugin.


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Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.