From the website:
Keyword Search is a suite of AI tools that helps you research high-ranking keywords, videos, channels, and ads on YouTube. … [It] helps you scrape YouTube for relevant keywords, video placements, and more actionable data that empowers your YouTube strategy. Simply enter a keyword you want to target to generate a list of related keywords and get detailed insights for each one. That way, you’ll be able to see how popular certain keywords are, spot trends, and discover keyword opportunities that’ll get you noticed on the platform.