Visual Tabs

Shows tabs as thumbnails in sidebar.
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manifest.json
{
  "manifest_version": 2,
  "name": "Visual Tabs",
  "version": "0.90",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "applications": {
    "gecko": {
      "id": "visualtab@xuldev.org",
      "strict_min_version": "94.0"
    }
  },
  "background": {
    "scripts": [
      "background/service.js"
    ]
  },
  "browser_action": {
    "default_title": "Visual Tabs",
    "default_icon": "icons/tab-16.svg",
    "theme_icons": [
      {
        "light": "icons/tab-16-light.svg",
        "dark": "icons/tab-16-dark.svg",
        "size": 16
      }
    ]
  },
  "sidebar_action": {
    "browser_style": true,
    "default_title": "Visual Tabs",
    "default_panel": "sidebar/view.html",
    "default_icon": "icons/tab-16.svg"
  },
  "options_ui": {
    "page": "sidebar/options.html",
    "open_in_tab": false
  },
  "commands": {
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "F1"
      }
    }
  },
  "permissions": [
    "tabs",
    "sessions",
    "storage",
    "cookies",
    "contextualIdentities",
    "menus",
    "menus.overrideContext",
    "bookmarks",
    "<all_urls>"
  ]
}