If you want to Convert the Video into frames/images then you might try Online tools for this purpose. There are several tools that can solve your problem. But according to my opinion you should try YTB Converter Free for this purpose. As, it can easily convert the video into frames and images so you can go into the depth of each image. It contains many tools which might help you.
Here is a link to it: https://ytbconverterfree.com/youtube-downloader-online-free 10