manifest.json

{
    "manifest_version": 3,
    "name": "YouTube Subtitle Dubbing",
    "version": "1.0",
    "description": "Dubs YouTube subtitles by fetching and synchronizing them with the video timer.",
    "icons": {
        "16": "icon.png",
        "48": "icon.png",
        "128": "icon.png"
    },
    "permissions": [
        "activeTab",
        "webRequest",
        "webRequestBlocking",
        "storage",
        "tabs",
        "tts"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "action": {
        "default_popup": "popup.html",
        "default_icon": {
            "16": "icon.png",
            "48": "icon.png",
            "128": "icon.png"
        }
    },
    "content_scripts": [
        {
            "matches": [
                "https://www.youtube.com/*"
            ],
            "js": [
                "content_script.js"
            ]
        }
    ],
    "host_permissions": [
        "https://www.youtube.com/*"
    ]
}