TubeBuddy

TubeBuddy is one of the best tools to do keyword research for YouTube videos. It is a minimal tool which can be pinned in your chrome browser as an extension. It is a simple analytical add on which reveals crucial statistics such as keywords used, overall views of the video, channel subscriptions, top channel in category of the video being watched. After TubeBuddy is installed and added in your chrome browser, any video that you watch will have a sidebar generated on YouTube which will give you a mini SEO report of the performance of the video. You can put a keyword and in the search bar, select a video and see the analytics which will help you to decide what content to create and where will it be placed.