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Welcome Getting started
Welcome to Manifest V3 Extensions platform vision Overview of Manifest V3 Migrating to Manifest V3 Manifest V3 migration checklist
What are extensions? What are themes? Frequently asked questions Extensions quality guidelines FAQ
API Reference Samples
Extension development overview Manifest file format Architecture overview Declare permissions Design the user interface Debugging extensions Samples
Message passing Content scripts Manage events with background scripts Match patterns
Cross-origin XMLHttpRequest Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API
Migrate to event-driven background scripts Migrating from background pages to service workers
Protect user privacy Declare permissions and warn users Stay secure Accessibility (a11y) Localization message formats Give users options
Chrome Web Store Alternative extension distribution options Installing extensions on Linux Tutorial: Google analytics
About Manifest V2 Getting started
What are extensions? What are themes? Frequently asked questions Extensions quality guidelines FAQ
Extension development overview Manifest file format Architecture overview Declare permissions Design the user interface Debugging extensions Samples
Message passing Content scripts Manage events with background scripts Match patterns
Cross-origin XMLHttpRequest Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API
Migrate to event-driven background scripts Migrating from background pages to service workers
Protect user privacy Declare permissions and warn users Stay secure Accessibility (a11y) Localization message formats Give users options
Chrome Web Store Alternative extension distribution options Installing extensions on Linux Tutorial: Google analytics
Extensions
Welcome Getting started
Welcome to Manifest V3 Extensions platform vision Overview of Manifest V3 Migrating to Manifest V3 Manifest V3 migration checklist
What are extensions? What are themes? Frequently asked questions Extensions quality guidelines FAQ
API Reference Samples
Extension development overview Manifest file format Architecture overview Declare permissions Design the user interface Debugging extensions Samples
Message passing Content scripts Manage events with background scripts Match patterns
Cross-origin XMLHttpRequest Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API
Migrate to event-driven background scripts Migrating from background pages to service workers
Protect user privacy Declare permissions and warn users Stay secure Accessibility (a11y) Localization message formats Give users options
Chrome Web Store Alternative extension distribution options Installing extensions on Linux Tutorial: Google analytics
About Manifest V2 Getting started
What are extensions? What are themes? Frequently asked questions Extensions quality guidelines FAQ
Extension development overview Manifest file format Architecture overview Declare permissions Design the user interface Debugging extensions Samples
Message passing Content scripts Manage events with background scripts Match patterns
Cross-origin XMLHttpRequest Using eval in Chrome extensions
Overriding Chrome settings Extending DevTools OAuth2: Authenticate users with Google Overriding Chrome pages Rich notifications API
Migrate to event-driven background scripts Migrating from background pages to service workers
Protect user privacy Declare permissions and warn users Stay secure Accessibility (a11y) Localization message formats Give users options
Chrome Web Store Alternative extension distribution options Installing extensions on Linux Tutorial: Google analytics

Extension development overview

Published on • Updated on

After reading the Getting Started tutorial and Overview, use this guide as an outline to extension components and abilities. Developers are encouraged to explore and expand extension functionality.

Customize extension user interface
Browser ActionsAdd an icon, tooltip, badge, and popup to the toolbar.
CommandsAdd keyboard shortcuts that trigger actions.
Context MenusAdd items to Google Chrome's context menu.
OmniboxAdd keyword functionality to the address bar.
Override PagesCreate a version of the New Tab, Bookmark, or History page.
Page ActionsDynamically display icons in the toolbar.
Build extension utilities
Accessibility (a11y)Make an extension accessible to people with disabilities.
Service WorkersDetect and react when something interesting happens.
InternationalizationWork with language and locale.
IdentityGet OAuth2 access tokens.
ManagementManage extensions that are installed and running.
Message PassingCommunicate from a content script to its parent extension, or vice versa.
Options PagesLet users customize an extension.
PermissionsModify an extension's permissions.
StorageStore and retrieve data.
Modify and observe the Chrome Browser
BookmarksCreate, organize, and manipulate bookmark behavior.
Browsing DataRemove browsing data from a user's local profile.
DownloadsProgrammatically initiate, monitor, manipulate, and search for downloads.
Font SettingsManage Chrome's font settings.
HistoryInteract with the browser's record of visited pages.
PrivacyControl Chrome privacy features.
ProxyManage Chrome's proxy settings.
SessionsQuery and restore tabs and windows from a browsing session.
TabsCreate, modify, and rearrange tabs in the browser.
Top SitesAccess users most visited URLs.
ThemesChange the overall appearance of the browser.
WindowsCreate, modify, and rearrange windows in the browser.
Modify and observe the web
Active TabSecurely access websites by removing most needs for <all_urls> host permission.
Content SettingsCustomize websites features such as cookies, JavaScript, and plugins.
Content ScriptsRun JavaScript code in the context of web pages.
CookiesExplore and modify the browser's cookie system.
Cross-Origin XHRUse XMLHttpRequest to send and receive data from remote servers.
Declarative ContentPerform actions on the content of a page without requiring permission.
Desktop CaptureCapture content of screen, individual windows or tabs.
Page CaptureSave a tab's source information as MHTML.
Tab CaptureInteract with tab media streams.
Web NavigationStatus updates of navigation requests in-flight.
Declarative Net RequestProvide rules that tell Chrome how to intercept, block, or modify requests in-flight.
Package, deploy and update
Chrome Web StoreHosting and updating extensions with the Chrome Web Store.
Other Deployment OptionsDistribute extensions on a designated network or with other software.
Expand Chrome DevTools
DebuggerInstrument network interaction, debug JavaScript, mutate the DOM and CSS.
DevtoolsAdd features to Chrome Developer Tools.
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