manifest.json

{
  "name": "yt-ext",
  "version": "1.0.0",
  "description": "Just replay video & skip ads on YouTube",
  "permissions": [
    "tabs",
    "activeTab",
    "clipboardRead",
    "https://*.youtube.com/"
  ],
  "icons": {
    "16": "images/yt_16.png",
    "32": "images/yt_32.png",
    "48": "images/yt_48.png",
    "128": "images/yt_128.png"
  },
  "background": {
    "scripts": ["background.js"],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": ["https://*.youtube.com/*"],
      "css": ["yt-styles.css"],
      "js": ["contentScript.js"],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/yt_16.png",
      "32": "images/yt_32.png",
      "48": "images/yt_48.png",
      "128": "images/yt_128.png"
    }
  },
  "manifest_version": 2
}