Single Tab Manager: Focus & Streamline Browsing by Limiting Tabs

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Single Tab Manager: Focus & Streamline Browsing by Limiting Tabs",
    "version": "1.1",
    "description": "Automatically closes all tabs except for the first one.",
    "permissions": [
        "tabs",
        "storage"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "action": {
        "default_popup": "popup.html"
    },
    "icons": {
        "16": "icons\/icon16.png",
        "32": "icons\/icon32.png",
        "48": "icons\/icon48.png",
        "128": "icons\/icon128.png"
    },
    "author": "Nikita Kostin (https:\/\/nikitakostin.com\/)"
}