Best Cookier is a high-quality cookie manager offering a stylish design, convenient operation, and rich features. This Chrome extension allows for easy addition, deletion, modification, and search of cookies. It also monitors all JavaScript operations on cookie changes, beneficial for front-end developers. The import and export feature enables account sharing on specific websites, promoting collaborative usage among trusted individuals.

With file import/export capabilities, deletion, fullscreen operation, and batch operations, Best Cookier provides a comprehensive cookie management experience. Users can copy in JSON format and header string format, retrieve cookies from all subdomains under the root domain, and search by multiple columns like name, value, domain, and path. The extension supports following specific cookies for special display and offers a "Cookie Security Guard" feature for enhanced security during browsing, including support for incognito mode.