99Previews

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "description": "The tool to preview videos' thumbnail, title, description and more directly on YouTube!",
  "version": "1.0.2",
  "name": "99Previews",
  "options_page": "options.html",
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "logo.png",
      "32": "logo.png",
      "48": "logo.png",
      "128": "logo.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "content.bundle.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "logo.png",
    "32": "logo.png",
    "48": "logo.png",
    "128": "logo.png"
  },
  "manifest_version": 2,
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "permissions": [
    "tabs",
    "activeTab",
    "*://www.youtube.com/*"
  ]
}