Chrome Extension

Browser extension with popup UI, content scripts, background service worker, and storage API.

Features

• • Manifest V3
• • Popup UI
• • Content scripts
• • Background worker
• • Chrome storage API

Code Preview

// manifest.json
{
  "manifest_version": 3,
  "name": "My Extension",
  "version": "1.0",
  "action": { "default_popup": "popup.html" },
  "permissions": ["storage", "activeTab"],
  "background": {
    "service_worker": "background.js"
  }
}