Free program for video quality measurements. Supports more than 300 formats (video & images, etc.) and over 20 objective metrics (VMAF, NIQE, PSNR, SSIM, MSU Blurring/Blocking, MSAD, MS-SSIM, etc) including GPU accelerated SSIM-based metrics. Other useful features include support of HD resolution, Regions of Interest (ROI), metric visualization, GUI and batch file processing, plugins interface, open-source plugins availability, and others