smashinghub.com/optimize-your-images.htm

Optimizing your website images is a smart way to make your website’s page load more quickly and at the same time save bandwidth consumption and obviously, your hosting bills.

Many tools for optimizing your website images are present out t ...

www.imgopt.com

This is a web-based tool for using Yahoo's smush.it service making the whole process much easier.

NB: The Yahoo smush.it service has been discontinued but this site might re-task to an open source version of the service.

www.resmush.it

reSmush.it is a FREE alternative to Yahoo Smush.it (which discontinues on March 2015). This tool provides an online way to optimize pictures size via a documented webservice. reSmush.it is 100% compatible with old Yahoo Smush.it API.

There is c ...