Invite cleanup for Google+™ is a free Chrome extension developed by Tzafrir Rehan. It falls under the category of Browsers with a subcategory of Add-ons & Tools. This extension is designed to remove hangout invites from your Google+ profile.

The main purpose of Invite cleanup for Google+™ is to delete all stale hangout posts from your profile that are older than 5 days. This feature helps to keep your profile clean and organized by removing unnecessary clutter. However, it's important to note that the extension will not delete hangout posts that have comments on them.

Overall, Invite cleanup for Google+™ is a useful tool for Google+ users who want to maintain a tidy profile by removing old and unused hangout invites. With its simple and straightforward functionality, this extension offers a convenient solution for managing your Google+ profile.