The directory structure is as follows: You can also use the Samples page to discover extensions by type, permissions, and extension API. To experiment with these samples, please clone this repo and use …

Feb 5, 2024 · To use most extension APIs and features, you must declare your extension's intent in the manifest's permissions fields. Extensions can request the following categories of permissions, …

Apr 29, 2025 · To access most extension APIs and features, you must declare permissions in your extension's manifest. Some permissions trigger warnings that users must allow to continue using the …

Oct 13, 2025 · To learn about using the Chrome Web Store API, see Use the Chrome Web Store API. You can also view the detailed API reference which contains more information about the supported …

Jan 7, 2026 · Use the chrome.permissions API to request declared optional permissions at run time rather than install time, so users understand why the permissions are needed and grant only those …

Learn about extension APIs and capabilities. See supported manifest keys. Learn about permissions needed for extension features.

Feb 21, 2026 · Declare permissions In a Chrome extension's file, permissions are declared to grant the extension access to specific APIs and web a capabilities. Permissions are categorized into API …

Apr 8, 2026 · The complete reference to all APIs made available to Chrome Extensions. This includes APIs for the deprecated Chrome Apps platform as well as APIs still in beta and dev.

Consider using optional permissions wherever the functionality of your extension permits, to provide users with informed control over access to resources and data. For more information, see the …

Extension Permissions are used to determine which capabilities are exposed to a given extension. They are specified in the extension’s manifest.json file. This document describes the internal …