You will be able to control compression, the number of colors, metadata settings, and much more, and select image format (JPG, GIF, or PNG) for your output file. It is lightweight, fast, and simple to use, yet powerful for advanced users. It uses a side by side (dual view) or single view interface to compare the original with the optimized image in real-time and instantly see the resulting file size. The Radical Image Optimization Tool (RIOT for short) was developed as a free image optimizer that will let you visually adjust compression parameters while keeping minimum files.
RIOT is a free image optimizer that will let you adjust compression parameters visually while keeping minimum filesize.
