Sample

Get a short summary of every webpage.

Sample

This recipe shows how to use sidePanel.getOptions() to retrieve the current side panel and switch between side panels.

Sample

Try the Gemini Models.

Sample

Sample

Shows how to display the same side panel on every site using the Side Panel API.

Sample

Sample

Adds a custom cursor on developer.chrome.com.

Sample

Try the built-in AI preview in Chrome.

Sample

Provides definitions in the side panel.

Sample

Uses the chrome.privacy.services property to get and set privacy settings.

Sample

Basic Hello World Extension

Sample

Generate a red triangle with WebGPU in an extension service worker.

Sample

Uses the chrome.userScripts API to inject JavaScript into web pages.

Sample

Override system power-saving settings.

Sample

Send a message to a native application.

Sample

Uses the chrome.readingList API to display, update and remove reading list entries.

Sample

Sample

Shows how to get geolocation access within a popup.

Sample

Demonstrates the creation of, and interaction with, each of the notification template types.

Sample

Uses the devtools API to add a sidebar that displays the jQuery data associated with the selected DOM element.

Sample

Uses the chrome.history API to display in a popup the user's most visited pages.

Sample

Demonstrates the chrome.i18n API by localizing text in the extension popup.

Sample

Shows the Chromium release milestone a given code review was merged into.

Sample

Demonstrates how to use the chrome.storage API.

Sample

Uses the chrome.tabs API to take a screenshot of the active tab.

Sample

Uses the chrome.bookmarks API to search through, add, and delete bookmarks from the user's bookmark tree.

Sample

Demonstrates optional permissions in extensions

Sample

Quick API can speed up the building of Chrome extensions.

Sample

Uses the chrome.declarativeNetRequest API to remove the "Cookie" header from requests.

Sample

Demonstrates the chrome.tabs API and the chrome.windows API by providing a user interface to manage tabs and windows.

Sample

Uses the chrome.tabs API to toggle the pinned state of the current tab.

Sample

Uses the chrome.browsingData API to clear the user's history without requiring the user to visit the history page.

Sample

Demonstrates using WebHID to connect to a CO2 meter.

Sample

A browser action with a popup dump of all bookmarks, including search, add, edit and delete.

Sample

Uses the chrome.commands API by creating a new keyboard macro for switching tabs in the browser window.

Sample

Demonstrates the chrome.fontSettings API by allowing users to modify the size of fonts on webpages.

Sample

Demonstrates how to override the default history page.

Sample

Demonstrates creation of a tab with a sandboxed iframe to which the main page passes a counter variable.

Sample

Uses the chrome.topSites API to suggest which sites a user should visit.

Sample

Replace every image by a cat's image in a website you visit

Sample

Demonstrates the "omnibox" manifest key and most members of the omnibox API.

Sample

Uses the Action API to change the badge text, icon, hover text, or popup page.

Sample

Demonstrates how to use the chrome.tabCapture API.

Sample

Base Level Extension

Sample

Uses the web_accessible_resources key in the manifest.json file to control access to assets within an extension.

Sample

Demonstrates creating a tab for a sandboxed iframe. The sandbox calls eval() to write HTML to its own document.

Sample

Example extension from DevTools Tips video.

Sample

Uses the chrome.cookies API by letting a user delete their cookies via a popup.

Sample

Records the current tab in an offscreen document.

Sample

How to use Google Analytics 4 in your extension.

Sample

Demonstrates all four methods of the chrome.printing namespace.

Sample

Demonstrates the chrome.declarativeNetRequest API by providing a UI to manipulate declarativeNetRequest rules dynamically.

Sample

Uses the chrome.windows and chrome.tabs APIs to manage tabs across different windows.

Sample

Shows how to use the file_handlers manifest key with the web platform's Launch Handler API.

Sample

Demonstrates the Idle API

Sample

Demonstrates the webRequest.onAuthRequired listener to detect an authentication request and log the user into the designated site.

Sample

Shows how to use WebAssembly (WASM) in Manifest V3.

Sample

Demonstrates the favicon manifest permission by displaying the favicon of a url in the extension popup.

Sample

Shows how to get geolocation access within a service worker.

Sample

Demonstrates the chrome.fontSettings API by allowing users to modify the style of displayed fonts on web pages.

Sample

Uses the chrome.alarms API to allow the user to set alarms using an extension page.

Sample

Uses the chrome.debugger API to capture network events on web pages.

Sample

Uses chrome.contentSettings to display the settings of a given page in the extension's popup.

Sample

Shows how to call sidePanel.open() to open a global side panel.

Sample

Uses the chrome.topSites API to get the user's most visited sites.

Sample

Uses the "chrome_url_overrides" manifest key by replacing the user's default new tab page with a new html file.

Sample

Uses the chrome.contextMenus API to customize the context menu.

Sample

Uses devtools.inspectedWindow to collect and use data on the resouces used in a web page.

Sample

Demonstrates the "omnibox" manifest key and API by creating a keyword that opens a browser search in a new tab.

Sample

Demonstrates fetching the favicon from www.google.com and inserting it at the top left of every page.

Sample

Sample

Uses the chrome.declarativeNetRequest API to redirect requests.

Sample

Uses the tabs.zoom API to manipulate the zoom level of the current tab.

Sample

Build an Extension!

Sample

Uses the context menu to search a different country's Google

Sample

Shows how to use WebAssembly (WASM) as a module in Manifest V3.

Sample

How to use WebSockets in your Chrome Extension.

Sample

Demonstrates usage and features of the event page by reminding user to drink water

Sample

Shows how to display the side panel only on google.com using the Side Panel API.

Sample

Shows how to use DOMParser in an extension service worker using the offscreen document.

Sample

Sample

Fix an Extension!

Sample

Uses the webNavigation API to send notifications.

Sample

Shows how to get geolocation access within a content script.

Sample

Uses the chrome.scripting API to inject JavaScript into web pages.

Sample

Shows how to write a string to the system clipboard using the offscreen document.

Sample

Uses the chrome.declarativeNetRequest API to block requests.

Sample

Turns the page red when you click the icon

Sample

Enable focus mode on Chrome's official Extensions and Chrome Web Store documentation.

Sample

Add the reading time to Chrome Extension documentation articles

Sample

Get a short summary of every webpage.

Sample

This recipe shows how to use sidePanel.getOptions() to retrieve the current side panel and switch between side panels.

Sample

Try the Gemini Models.

Sample

Sample

Shows how to display the same side panel on every site using the Side Panel API.

Sample

Sample

Adds a custom cursor on developer.chrome.com.

Sample

Try the built-in AI preview in Chrome.

Sample

Provides definitions in the side panel.

Sample

Uses the chrome.privacy.services property to get and set privacy settings.

Sample

Basic Hello World Extension

Sample

Generate a red triangle with WebGPU in an extension service worker.

Sample

Uses the chrome.userScripts API to inject JavaScript into web pages.

Sample

Override system power-saving settings.

Sample

Send a message to a native application.

Sample

Uses the chrome.readingList API to display, update and remove reading list entries.

Sample

Sample

Shows how to get geolocation access within a popup.

Sample

Demonstrates the creation of, and interaction with, each of the notification template types.

Sample

Uses the devtools API to add a sidebar that displays the jQuery data associated with the selected DOM element.

Sample

Uses the chrome.history API to display in a popup the user's most visited pages.

Sample

Demonstrates the chrome.i18n API by localizing text in the extension popup.

Sample

Shows the Chromium release milestone a given code review was merged into.

Sample

Demonstrates how to use the chrome.storage API.

Sample

Uses the chrome.tabs API to take a screenshot of the active tab.

Sample

Uses the chrome.bookmarks API to search through, add, and delete bookmarks from the user's bookmark tree.

Sample

Demonstrates optional permissions in extensions

Sample

Quick API can speed up the building of Chrome extensions.

Sample

Uses the chrome.declarativeNetRequest API to remove the "Cookie" header from requests.

Sample

Demonstrates the chrome.tabs API and the chrome.windows API by providing a user interface to manage tabs and windows.

Sample

Uses the chrome.tabs API to toggle the pinned state of the current tab.

Sample

Uses the chrome.browsingData API to clear the user's history without requiring the user to visit the history page.

Sample

Demonstrates using WebHID to connect to a CO2 meter.

Sample

A browser action with a popup dump of all bookmarks, including search, add, edit and delete.

Sample

Uses the chrome.commands API by creating a new keyboard macro for switching tabs in the browser window.

Sample

Demonstrates the chrome.fontSettings API by allowing users to modify the size of fonts on webpages.

Sample

Demonstrates how to override the default history page.

Sample

Demonstrates creation of a tab with a sandboxed iframe to which the main page passes a counter variable.

Sample

Uses the chrome.topSites API to suggest which sites a user should visit.

Sample

Replace every image by a cat's image in a website you visit

Sample

Demonstrates the "omnibox" manifest key and most members of the omnibox API.

Sample

Uses the Action API to change the badge text, icon, hover text, or popup page.

Sample

Demonstrates how to use the chrome.tabCapture API.

Sample

Base Level Extension

Sample

Uses the web_accessible_resources key in the manifest.json file to control access to assets within an extension.

Sample

Demonstrates creating a tab for a sandboxed iframe. The sandbox calls eval() to write HTML to its own document.

Sample

Example extension from DevTools Tips video.

Sample

Uses the chrome.cookies API by letting a user delete their cookies via a popup.

Sample

Records the current tab in an offscreen document.

Sample

How to use Google Analytics 4 in your extension.

Sample

Demonstrates all four methods of the chrome.printing namespace.

Sample

Demonstrates the chrome.declarativeNetRequest API by providing a UI to manipulate declarativeNetRequest rules dynamically.

Sample

Uses the chrome.windows and chrome.tabs APIs to manage tabs across different windows.

Sample

Shows how to use the file_handlers manifest key with the web platform's Launch Handler API.

Sample

Demonstrates the Idle API

Sample

Demonstrates the webRequest.onAuthRequired listener to detect an authentication request and log the user into the designated site.

Sample

Shows how to use WebAssembly (WASM) in Manifest V3.

Sample

Demonstrates the favicon manifest permission by displaying the favicon of a url in the extension popup.

Sample

Shows how to get geolocation access within a service worker.

Sample

Demonstrates the chrome.fontSettings API by allowing users to modify the style of displayed fonts on web pages.

Sample

Uses the chrome.alarms API to allow the user to set alarms using an extension page.

Sample

Uses the chrome.debugger API to capture network events on web pages.

Sample

Uses chrome.contentSettings to display the settings of a given page in the extension's popup.

Sample

Shows how to call sidePanel.open() to open a global side panel.

Sample

Uses the chrome.topSites API to get the user's most visited sites.

Sample

Uses the "chrome_url_overrides" manifest key by replacing the user's default new tab page with a new html file.

Sample

Uses the chrome.contextMenus API to customize the context menu.

Sample

Uses devtools.inspectedWindow to collect and use data on the resouces used in a web page.

Sample

Demonstrates the "omnibox" manifest key and API by creating a keyword that opens a browser search in a new tab.

Sample

Demonstrates fetching the favicon from www.google.com and inserting it at the top left of every page.

Sample

Sample

Uses the chrome.declarativeNetRequest API to redirect requests.

Sample

Uses the tabs.zoom API to manipulate the zoom level of the current tab.

Sample

Build an Extension!

Sample

Uses the context menu to search a different country's Google

Sample

Shows how to use WebAssembly (WASM) as a module in Manifest V3.

Sample

How to use WebSockets in your Chrome Extension.

Sample

Demonstrates usage and features of the event page by reminding user to drink water

Sample

Shows how to display the side panel only on google.com using the Side Panel API.

Sample

Shows how to use DOMParser in an extension service worker using the offscreen document.

Sample

Sample

Fix an Extension!

Sample

Uses the webNavigation API to send notifications.

Sample

Shows how to get geolocation access within a content script.

Sample

Uses the chrome.scripting API to inject JavaScript into web pages.

Sample

Shows how to write a string to the system clipboard using the offscreen document.

Sample

Uses the chrome.declarativeNetRequest API to block requests.

Sample

Turns the page red when you click the icon

Sample

Enable focus mode on Chrome's official Extensions and Chrome Web Store documentation.

Sample

Add the reading time to Chrome Extension documentation articles