Hadzy is a powerful tool used by the YouTube video creator to analyze and track the reaction of their audience in the comment section of the video. It is a tool used to find the comment history of your YouTube video. To find the link to the website you can search for Youtube comment search on the browser.
To use Hadzy you have to open its website paste the URL of your desired Video for which you want to see the comments history, and then click on load data to fetch the comment history of the particular video.