RIOT is a free application that allows you to visually adjust the compression parameters without increasing the file size.
The name of the program with the acronym RIOT translates into English as "radically optimizing image tool".
The key feature of RIOT is a unique interface feature: you can monitor in real-time the changes in the original image on the adjacent optimized duplicate.
RIOT is a lightweight, fast and easy-to-use image optimizer. With it, you can control compression, the number of colors, make flexible metadata adjustments, choose the right format for the final image, and do many other useful things. The program can be used with other programs as a plugin, for example, XnView, GIMP, IrfanView.
Main features of RIOT
- User-friendly interface that is notable for its simplicity;
- ability to process rare image formats, used for scientific purposes;
- working environment is configurable in two ways, one of which allows simultaneous placement for comparison of the original image with the one being optimized;
- auto preview of the changing image is available;
- high speed of processing due to the use of a given software pattern;
- batch processing of images;
- options for transparency processing;
- ability to save metadata;
- removal of unsupported metadata types;
- if the target format supports metadata, it can be exported to it from another format;
- External PNG optimizers (such as optipng, PNGOUT, etc.) are programmatically supported;
- program results and compression quality are comparable to commercial products.