GitHub Collapse Details is a Chrome extension designed to enhance the user experience on GitHub Pull Request (PR) pages. This tool adds a convenient button that allows users to collapse all open details tags on a PR page, streamlining the view and making it easier to navigate through multiple details without distraction.

With its free license, this add-on falls under the Browsers category, specifically within the subcategory of Add-ons & Tools. The primary function of this extension is to improve efficiency for developers and contributors by providing a simple solution to manage the visibility of information within pull requests, promoting a more organized workspace.