Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.
Optimage - Advanced image optimization tool
Kingshiper Image Compressor - With Kingshiper Image Compressor, you can easily compress, optimize and reduce jpg, jpeg, png, svg and gif file to a smaller size in seconds.
ImageOptim API - Web service for image compression
Free PDF Compressor - Free PDF Compressor removes duplicate PDF objects and employs new compression features in recent...
Imagify - Optimize and resize images online and through your CMS.