Keepin' Tabs – tabs manager

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Keepin' Tabs – tabs manager",
  "version": "4.0",
  "description": "Manage your tabs.",
  "icons": {
    "16": "public/images/icon-16.png",
    "48": "public/images/icon-48.png",
    "128": "public/images/icon-128.png"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "windows": "Ctrl+Shift+K",
        "mac": "Command+Shift+K",
        "chromeos": "Ctrl+Shift+K",
        "linux": "Ctrl+Shift+K"
      }
    }
  },
  "browser_action": {
    "default_popup": "app.html"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "chrome://favicon/*"
  ]
}