Imagecompressor.io - Tool to compress jpeg & png images online.
Sirv - Dynamic image processing, hosting and rich-media for retailers and eCommerce.
Ralpha Image Resizer - High-speed image batch conversion tool
Mass Image Compressor - Mass Image Compressor is easy to use - a point and shoot batch image compressor and converter tool for Web site optimization, photographers, HTML game creator and casual Windows users.
Jetpack - Jetpack offers SEO and security plugins for Wordpress.
HitPaw Compressor - HitPaw Compressor is the most effective and powerful software that can easily compress videos or images with several clicks in seconds.