Fee based service for compressing GIFs optimally. Online free analysis available.

Web based front end to the jpegtran utility for image compression lossless JPEG transcoding all transformations performed by this tool retain the original image contents, with no further quality loss.

Reduces the size of your JPEG files so that they will load faster.

Web Image Guru is a Web-oriented graphics optimization tool. Download from the Source for Shareware, Freeware and Evaluation Software.

Optimize site size and download times of JPEG and GIF images by up to 90%. Free JPEG and GIF compression tool works automatically from a local disk, ftp or www.

Online JPEG Wizard Editing/Compression. A free service of Pegasus Imaging to provide true JPEG compression.

Image optimization - a free resource for webmasters.