Page Notes Sidebar is a Chrome extension designed to enhance web browsing by allowing users to add and manage notes directly related to web pages. The extension features a sidebar interface where users can categorize their notes into three distinct sections: Page, Site, and All. This organization enables users to tailor their note-taking experience, whether they want to keep notes specific to a single page, a whole site, or across all pages they visit.

The extension also includes a visual indicator, or badge, that alerts users when notes are present for the currently viewed page. To ensure this feature is visible, users are advised to pin the extension. Overall, Page Notes Sidebar serves as a practical tool for individuals who wish to enhance their web experience through organized note-taking.