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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Tab freezer: tab suspender for faster device",
  "version": "1.2",
  "manifest_version": 2,
  "description": "Tab Freezer will hibernate tabs that have not been used in the last 5 minutes, reducing memory and battery use from your browser!",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "content_scripts": [
    {
      "exclude_globs": [
        "https://meet.google.com/*"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "contentScript.js",
        "html2canvas.min.js"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "browser_action": {
    "default_title": "Tab Freezer",
    "default_popup": "popup.html"
  },
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  }
}