CookieManager - Cookie Editor is an open-source Chrome extension that allows users to easily edit cookies related to the current page and its CORS frames. The extension provides a toolbar interface for viewing and editing cookies, including those accessed by cross-origin subframes on the page. It categorizes cookies based on their origins and allows users to edit properties and delete selected cookies. Additional features include importing and exporting cookies to JSON files, viewing cookies in a separate tab, and exporting cookies in TEXT format for compatibility with command-line tools. For bug reports, users can visit the extension's GitHub page.