QCTools is an open-source cross-platform tool for analyzing and objectively measuring video quality. The program is aimed at helping professional users identify problems with digitized footage, but it could also help to compare video codecs, conversion tools and more. QCTools is available for Windows, Linux and Mac. It’s a lightweight package -- a single executable and a few text files -- and installed easily on our test PC. Drag and drop a video or two onto the program and it begins analysis. This is an in-depth, frame-by-frame process, so you’ll probably need to be patient (even a 150-second test video… [Continue Reading]