WebP and AVIF Highlighter

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "WebP and AVIF Highlighter",
  "version": "1.91.1",
  "description": "Makes WebP and AVIF recognizable on a webpage.",
  "icons": {
    "48": "icons/webplogo.png"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "action": {
    "default_icon": "icons/webplogo.webp",
    "default_popup": "popup.html",
    "default_title": "WebP highlighter"
  },
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "jquery-3.1.1.min.js",
        "webp_reformatter.js"
      ],
      "css": [
        "webp.css"
      ]
    }
  ],
  "host_permissions": [
    "<all_urls>"
  ]
}