If you are looking for YouTube keyword research tool for video SEO, Keyword Tool will be very useful to you. The algorithm that ranks YouTube videos takes a variety of factors into consideration when ranking videos for a particular search query.
We do not know what those factors are exactly, but what we do know, is that keywords that are used in video titles and descriptions are very critical. These keywords allow the algorithm to understand what your video is about and show it to the right audience.
Keyword Tool will help you to find the right keywords that you can use in YouTube video description and title. By finding the right keywords and properly using them in your video title and description, you will help Google to serve your video to the right audience both on YouTube and Google Search.