Hopper HQ helps businesses schedule and manage their social media posts across multiple platforms, including Instagram, Facebook, X (Twitter), LinkedIn, Pinterest, YouTube, Shorts, and TikTok. The video walks viewers through the platform's interface, explaining features such as bulk uploading content, creating post calendars, setting up team member permissions, analyzing post performance, and creating engaging captions. The presenter highlights the importance of optimizing post timing and using the right hashtags to increase engagement and reach.