Cookie & Storage Manager — Profiles & Env Switch is a free Chrome add-on designed for developers and QA professionals to efficiently manage site data. This tool allows users to edit cookies, localStorage, and sessionStorage in a single interface, streamlining the process of switching between different user environments and logins. The standout feature is its ability to create named profiles, enabling users to save and restore site-specific data with just one click, eliminating the need to clear data or re-enter login information.

With a clean and modern dark user interface, the add-on offers comprehensive functionality including viewing, adding, editing, and deleting cookies and storage data. Users can also export and import site states in JSON format, ensuring easy data management. Importantly, the tool maintains user privacy by operating entirely locally within the browser, with no reliance on accounts or external servers.