Postr

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Postr",
  "description": "Convert your social network post to image with nice design",
  "version": "2.1",
  "manifest_version": 3,
  "permissions": [
    "downloads",
    "background",
    "storage",
    "tabs"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_title": "Postr.me",
    "default_icon": {
      "16": "/icons/icon-16.png",
      "48": "/icons/icon-48.png",
      "128": "/icons/icon-128.png"
    },
    "default_popup": "popup.html"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "/assets/images/*.jpg",
        "/assets/images/*.svg"
      ],
      "matches": [
        "https://*/*"
      ]
    }
  ],
  "icons": {
    "16": "/icons/icon-16.png",
    "48": "/icons/icon-48.png",
    "128": "/icons/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.facebook.com/*",
        "https://*.instagram.com/*",
        "https://*.youtube.com/*",
        "https://*.twitter.com/*",
        "https://fb.watch/*"
      ],
      "js": [
        "script.js"
      ],
      "all_frames": true
    }
  ]
}