Sider: Chat with all AI models (DeepSeek, Gemini, Claude, etc.)

Extensions with the cookies permission can retrieve and modify cookies (requires host permissions).

Extensions with the scripting permission can inject and execute code in web pages, which can potentially be used for data exfiltration or session hijacking (requires host permissions, available since Manifest V3).

Extensions with the declarativeNetRequest permission can block network requests without requiring host permissions, and redirect requests and modify headers if it has host permissions.

Extensions with the tabs permission can query the url, pendingUrl, title, and favIconUrl of any tab.

Extensions with the unlimitedStorage permission have no storage quota restrictions for chrome.storage.local, IndexedDB, Cache Storage, and the Origin Private File System.

Extensions with the alarms permission can schedule code to run periodically or at a specified time in the future.

Extensions with the contextMenus permission can add items to the browser's context menu (also known as the right-click menu).

Use the offscreen API to create and manage offscreen documents.

Extensions with the sidePanel permission can display content in the browser's side panel alongside the main content of a webpage, enabling a persistent interface that complement the user's browsing journey (available since Manifest V3).

Extensions with the storage permission can store and retrieve user data, which can persist even after clearing the cache and browsing history.

Extensions with the activeTab permission can temporarily access the active tab, including injecting scripts and modifying content, but only when explicitly invoked by a user gesture. Access is revoked when the user closes the tab or navigates away. Compared to <all_urls>, activeTab is safer as it does not grant persistent access.