Hype Meter for YouTube does not collect, store, or share any personal data with the developer or any third party.

When you open a YouTube video, the extension sends that video's ID to YouTube (www.youtube.com) to look up its Hype points. The request is sent without your cookies, so YouTube cannot link it to your account. The result is kept in memory for up to 5 minutes and is never written to disk. No other data leaves your browser.