manifest.json

{
    "manifest_version": 2,
    "name": "Engine Switcher",
    "version": "0.9.0",
    "applications": {
        "gecko": {
            "id": "{44dc2f10-2812-48f1-bb39-e880679115b0}"
        }
    },
    "description": "Switch between various search engines in one click",
    "icons": {
        "256": "img/icon.png"
    },
    "page_action": {
      "browser_style": true,
      "default_icon": {
        "256": "img/icon.png"
      },
      "default_title": "Switch Engine!"
    },
    "background": {
        "scripts": ["dist/background.js"]
    },
    "content_scripts": [
        {
            "run_at": "document_start",
            "matches": [
                "*://*.startpage.com/*",
                "*://duckduckgo.com/*",
                "*://*.ecosia.org/*",
                "*://gibiru.com/*",
                "*://metager.org/*",
                "*://metager.de/*",
                "*://you.com/*",
                "*://www.onesearch.com/*",
                "*://*.bing.com/*",
                "*://search.brave.com/*",
                "*://yandex.ru/*",
                "*://yandex.com/*",
                "*://www.google.com/*",
                "*://search.yahoo.com/*",
                "*://search.yahoo.co.jp/*",
                "*://search.goo.ne.jp/*",
                "*://en.wikipedia.org/*"
            ],
            "js": ["dist/content.js"],
            "css": ["dist/content_tippy.css"]
        }
    ],
    "permissions": [ "tabs", "storage" ],
    "web_accessible_resources": [
        "img/engines/*.svg",
        "img/engines/*.png",
        "img/engines/*.webp"
    ],
    "commands": {
        "_execute_page_action": {
            "suggested_key": {
                "default": "Ctrl+Alt+N",
                "linux": "Ctrl+Alt+N"
            },
            "description": "Switch to next search engine."
        }
    },
    "options_ui": {
        "page": "dist/options_ui.html",
        "open_in_tab": false
    }
}