CBIRUS is an image search tool. The search criterion in this system is neither the name of a file nor its attributes, but the content of the image. The system compares the image example with images in the database taking into account its various features. To speed up searching, the features of images in the database are calculated beforehand during indexation. Currently, searching by the following features is implemented: RGB Histogram HSB Histogram Color Coherent Vector PSNR It is possible to create your own features and add them to the system.