Looper

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Looper",
  "description": "Best Loop Tool. Works with all websites! Move your mouse cursor over any video and set loop in a portion/range.",
  "version": "1.1",
  "default_locale": "en",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "ui/popup.html"
  },
  "options_page": "ui/options.html",
  "content_scripts": [
    {
      "all_frames": true,
      "css": [
        "content-styles.css"
      ],
      "js": [
        "content-script.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start"
    }
  ],
  "offline_enabled": true,
  "optional_permissions": [
    "downloads"
  ],
  "permissions": [
    "storage"
  ]
}