Action (Popup)

Adds a toolbar popup to the browser with a simple page.

Runs on Chrome, Edge, Firefox · Manifest V3 · Surfaces: popup, background service worker · Styling: CSS · Level: beginner

Create this project

npx extension@latest create my-action --template action
cd my-action
npm install
npm run dev

What it is for

  • Toolbar popup as the primary UI surface
  • Quick actions that don't need a full sidebar or page
  • Starting point for popup-based browser extensions

First steps

  • Run npm run dev to launch the extension
  • Click the toolbar icon to open the action popup
  • Edit src/action/index.html and watch HMR update the popup

Permissions it asks for

This template requests no permissions.

Source on GitHubDocumentation

extension.devDocumentation for extension.dev